{"title":"Precision curve for espresso","description":"\u003cp\u003eFind precision baskets for espresso from IMS in various sizes, heights, and capacities. A precision-engineered filter basket provides a uniform starting point for extraction and makes it easier to work consistently with dosage, grind size, and brew time.\u003c\/p\u003e\n\u003cp\u003eChoose your basket based on your espresso machine, the portafilter measurements, tamper size, and the amount of coffee you typically use. You will find models with a ridge, ridgeless models, as well as baskets with a flat or convex base.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhich IMS precision basket should I choose?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe various models in the range differ primarily in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etamper size, height, base shape, ridge, and capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIMS B702TCH24E – 58 mm, H24\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe B702TCH24E is a ridgeless Competition basket with a convex base for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e58\/58.4 mm tamper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAt 24 mm, it is the lowest of the three convex B70 models in our current selection, making it suitable if you work with a relatively smaller espresso dose.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIMS indicates different capacities depending on the roast degree and density of the coffee, so always use the manufacturer's values as a starting point rather than an absolute dosing rule.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIMS B702TCH26E – 58 mm, H26\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe B702TCH26E has the same basic convex and ridgeless construction but is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e26 mm high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt thus provides room for a larger dose than the H24 model and can be a good middle ground if the H24 is too small, while the H28.5 provides more capacity than necessary.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIMS B702TCH28.5E – 58 mm, H28.5\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe B702TCH28.5E is the tallest of the three convex models in our current selection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is also ridgeless, uses a 58\/58.4 mm tamper, and provides room for larger doses.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIn particular, verify that your portafilter has sufficient depth for the 28.5 mm high basket.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIMS B702TH24.5M – 58 mm, H24,5\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe B702TH24.5M differs from the convex E-models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt uses an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM-pattern\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, has rounded internal corners, and an external ridge that the portafilter's spring can grip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt also uses a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e58\/58.4 mm tamper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis makes the model interesting if you prefer a classic Competition construction with a ridge rather than the ridgeless convex models.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIMS B652TH27.5M – 53 mm, H27,5\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe B652TH27.5M is the relevant model in our range if you work with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e53 mm tamper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a compatible B65 portafilter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe basket is 27.5 mm high, has an external ridge, and uses the IMS M-pattern.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease note that a 53 mm tamper size alone does not guarantee compatibility. Also check the border diameter, the basket body, the height, and your specific espresso machine or portafilter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePrioritize compatibility – then capacity\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe best order is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePortafilter and compatibility → tamper diameter → basket height and capacity → ridge\/ridgeless → base shape and perforation pattern\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis way, you avoid choosing a technically interesting filter basket that does not fit your espresso setup correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow to read the model number of an IMS filter basket\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIMS uses model numbers like \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB702TCH24E\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB702TH24.5M\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to describe the filter basket construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe codes may look technical, but several parts tell you something specific about the basket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTake, for example, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB702TCH26E\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eB70\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e indicates the basket's border diameter and is thus an important part of the compatibility with the portafilter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2T\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e indicates a basket for 2 cups – i.e., a double basket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eC\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e indicates, in this series, a cylindrical basket with a convex base.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eH26\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e means that the basket is 26 mm high.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eE\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e indicates the perforation pattern in the base.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe model number is therefore more than just a product code.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen comparing IMS baskets, you should also check:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\u003cspan\u003eOuter diameter\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eBody diameter\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eTamper size\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eRidge or ridgeless\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eBase shape\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003eRecommended dosage\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eTwo filter baskets can look almost identical and still have different dimensions and compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eE- or M-perforation – what does it mean?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe letter at the end of several IMS model numbers describes the perforation pattern used in the base of the basket.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eE-pattern\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe IMS \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eE-pattern\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e uses a hexagonal hole pattern.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOn the B702TCH series, up to 715 holes are used with a perforated area of up to approximately 49 mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe E-pattern is found, among others, on the convex B702TCH24E, B702TCH26E, and B702TCH28.5E.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eM-pattern\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eM-pattern\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is IMS' Micro-pattern and uses a denser rectangular hole pattern.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHere, up to 641 holes are used over a smaller perforated area of up to approximately 44 mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou will find the M-pattern on, among others, the B702TH24.5M and B652TH27.5M.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis does not mean that E is automatically better than M – or vice versa.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe basket's overall construction, diameter, height, capacity, base shape, and compatibility should carry more weight than the letter in the model number itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen you switch filter baskets, you should also be prepared to adjust your grind size and potentially the rest of your espresso recipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eThe precision basket as part of your espresso setup\u003c\/h2\u003e\n\u003cp\u003eA precision basket works in tandem with the rest of your espresso workflow.\u003c\/p\u003e\n\u003cp\u003eUse a \u003ca href=\"https:\/\/braendeholmristeri.dk\/collections\/tamper\"\u003etamper\u003c\/a\u003e that fits your chosen filter basket precisely.\u003c\/p\u003e\n\u003cp\u003eIf you want to work with the distribution of the ground coffee before tamping, you will find our \u003ca href=\"https:\/\/braendeholmristeri.dk\/collections\/wdt-weiss-distribution-technique\"\u003eWDT tool\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eA \u003ca href=\"https:\/\/braendeholmristeri.dk\/collections\/kaffevaegte\"\u003ecoffee scale\u003c\/a\u003e makes it easier to keep both the dose and final espresso yield stable when you adjust your recipe.\u003c\/p\u003e\n\u003cp\u003eAlso, see our full selection of \u003ca href=\"https:\/\/braendeholmristeri.dk\/collections\/baristaudstyr\"\u003eespresso equipment\u003c\/a\u003e and \u003ca href=\"https:\/\/braendeholmristeri.dk\/collections\/bonner-til-espresso\"\u003ecoffee beans for espresso\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eRidge or ridgeless?\u003c\/h2\u003e\n\u003cp\u003eA filter basket with a \u003cstrong\u003eridge\u003c\/strong\u003e has a retaining groove that the portafilter's spring can grip. It helps keep the basket securely in place, for example, when knocking out the used coffee puck.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003eridgeless\u003c\/strong\u003e filter basket has smooth sides without this groove. This provides an unbroken inner wall and simultaneously removes a groove where coffee oils and fine coffee particles might otherwise accumulate.\u003c\/p\u003e\n\u003cp\u003eThe difference is largely practical. Both types can work well when the basket fits the portafilter correctly.\u003c\/p\u003e\n\u003cp\u003eHow securely a ridgeless basket sits depends, among other things, on the portafilter spring.\u003c\/p\u003e","products":[{"product_id":"ims-precision-filterkurv-2t-12-18g-h27-5","title":"IMS Precision Filter Basket 53 mm Competition 2T H27.5","description":"\u003ch2\u003eIMS Competition Precision Filter Basket 2T 15–20 g H27.5\u003c\/h2\u003e\n\u003cp\u003eUpgrade your espresso setup with the \u003cstrong\u003eIMS Competition Precision Filter Basket B652TH27.5M\u003c\/strong\u003e. Designed for double espresso, this filter basket combines precise basket geometry with 641 uniform micro-holes.\u003c\/p\u003e\n\u003cp\u003eThe controlled perforation helps water distribute evenly through the coffee puck. This creates ideal conditions for consistent extraction and makes it easier to work systematically with dosing, grind size, and coffee distribution.\u003c\/p\u003e\n\u003ch2\u003eThe Competition series from IMS\u003c\/h2\u003e\n\u003cp\u003eThe IMS Competition series is developed for baristas and espresso enthusiasts who want greater precision than a traditional standard basket provides.\u003c\/p\u003e\n\u003cp\u003eThe B652TH27.5M features:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e641 micro-holes\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eHole diameter of 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003ePerforated area of Ø44 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eElectropolished surface\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eExternal ridge for retention\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eFlat perforated base\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCapacity for a double espresso\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe smooth, electropolished surface makes the basket easier to keep clean and reduces roughness around the perforations.\u003c\/p\u003e\n\u003ch2\u003eFor more controlled espresso extraction\u003c\/h2\u003e\n\u003cp\u003eA precision basket cannot prevent channeling on its own. Correct grind setting, uniform distribution, and level tamping are still essential.\u003c\/p\u003e\n\u003cp\u003eHowever, the uniform perforation provides a more predictable starting point when dialing in your espresso. It can make it easier to identify whether changes in taste are due to dosage, grind size, or brewing conditions.\u003c\/p\u003e\n\u003cp\u003eThe basket is suitable for you if you want to work more precisely with:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eConsistent dosing\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCorrect puck preparation\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAdjusting the grind size\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eFlow time\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe coffee-to-espresso ratio\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eDosing and capacity\u003c\/h2\u003e\n\u003cp\u003eThe product is often marketed as a basket for approximately 15–20 grams of coffee. IMS specifies an average capacity of approximately 15–20 grams, but the optimal dose depends on the roast and density of the coffee.\u003c\/p\u003e\n\u003cp\u003eIMS's recommended capacity ranges are:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDark roast coffee: approximately 15–17 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eMedium roast coffee: approximately 16–19 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eLight roast coffee: approximately 17–20 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eUse these numbers as a starting point. The correct dose also depends on the grind size, the volume of the puck, and the distance between the coffee surface and the machine's shower screen.\u003c\/p\u003e\n\u003cp\u003eThere should be sufficient space above the tamped coffee puck so that it is not pressed hard against the brew head before extraction.\u003c\/p\u003e\n\u003ch2\u003eDesigned for a 53 mm tamper\u003c\/h2\u003e\n\u003cp\u003eThe internal diameter of the basket is approximately 54 mm, and IMS specifies compatibility with a 53 mm tamper.\u003c\/p\u003e\n\u003cp\u003eA tamper with the correct diameter helps compress the coffee evenly and reduces the risk of a loose edge around the puck. Always check the actual size of the tamper, as designations may vary between manufacturers.\u003c\/p\u003e\n\u003ch2\u003eExternal retention ridge\u003c\/h2\u003e\n\u003cp\u003eThe filter basket has an external ridge used by the portafilter spring to hold the basket in place.\u003c\/p\u003e\n\u003cp\u003eThis means the basket stays more securely in place when knocking out coffee grounds. However, the ridge can also mean that compatibility depends on the design of the portafilter and its spring.\u003c\/p\u003e\n\u003ch2\u003eCheck compatibility before purchasing\u003c\/h2\u003e\n\u003cp\u003eA 53 mm tamper size does not automatically mean the basket fits all 53 mm espresso machines.\u003c\/p\u003e\n\u003cp\u003eTherefore, check the following measurements on your current filter basket and portafilter:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eOuter rim: 65 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eInternal body diameter: 54 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eHeight: 27.5 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamper size: 53 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eExternal retention ridge\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe portafilter must have sufficient depth for the basket's height. Feel free to compare your existing basket with the measurements above before ordering.\u003c\/p\u003e\n\u003ch2\u003eHow to achieve a good result\u003c\/h2\u003e\n\u003col\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eChoose a starting dose that matches the coffee's roast degree.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDistribute the ground coffee evenly in the basket.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBreak up any clumps with a WDT tool.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamp the coffee horizontally with consistent pressure.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCheck that there is appropriate space above the coffee puck.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew the espresso and evaluate the flow, time, and taste.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAdjust primarily the grind size while keeping the dosage stable.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003cp\u003eA bottomless portafilter can make it easier to see uneven flow but is not necessary to use the filter basket.\u003c\/p\u003e\n\u003ch2\u003eCleaning and maintenance\u003c\/h2\u003e\n\u003cp\u003eKnock out the coffee grounds after use and rinse the basket thoroughly with warm water. Regularly check that the micro-holes are not clogged by coffee oils or fine particles.\u003c\/p\u003e\n\u003cp\u003eFor thorough cleaning, the basket can be soaked in a suitable cleaner for espresso and coffee equipment. Follow the dosage instructions on the cleaning product, rinse thoroughly after treatment, and avoid tools that can damage the perforations.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e IMS\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Competition\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel number:\u003c\/strong\u003e B652TH27.5M\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Double precision filter basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesignation:\u003c\/strong\u003e 2T \/ 2 cups\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTrade specification:\u003c\/strong\u003e 12–20 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eAverage IMS capacity:\u003c\/strong\u003e 15–17 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 27.5 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eOuter rim:\u003c\/strong\u003e Ø65 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eInternal body diameter:\u003c\/strong\u003e Ø54 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper size:\u003c\/strong\u003e Ø53 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerforated area:\u003c\/strong\u003e Ø44 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eNumber of micro-holes:\u003c\/strong\u003e 641\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole diameter:\u003c\/strong\u003e 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRidge:\u003c\/strong\u003e External retention ridge\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSurface treatment:\u003c\/strong\u003e Electropolished\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasket shape:\u003c\/strong\u003e Double filter basket with flat perforated base\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe IMS B652TH27.5M is an obvious choice for the espresso enthusiast who wants a precision basket with uniform perforation and better opportunities to work consistently with their espresso recipe.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow much coffee fits in the filter basket?\u003c\/h3\u003e\n\u003cp\u003eThe basket is often sold with the designation 15–20 g. IMS specifies an average capacity of 15–20 g, but the appropriate dosage depends on the roast degree, grind size, and density of the coffee.\u003c\/p\u003e\n\u003ch3\u003eWhich tamper fits the basket?\u003c\/h3\u003e\n\u003cp\u003eIMS specifies a tamper diameter of 53 mm. Always check the actual diameter and fit of the specific tamper.\u003c\/p\u003e\n\u003ch3\u003eDoes the basket fit all espresso machines with a 53 mm tamper?\u003c\/h3\u003e\n\u003cp\u003eNo. The tamper size is not sufficient to determine compatibility. The portafilter must also fit the basket's outer rim of 65 mm and height of 27.5 mm.\u003c\/p\u003e\n\u003ch3\u003eWhat does 2T mean?\u003c\/h3\u003e\n\u003cp\u003e2T means that the filter basket is developed for a double portion of espresso. The letter T refers to the Italian word for cup.\u003c\/p\u003e\n\u003ch3\u003eHow many holes does the filter basket have?\u003c\/h3\u003e\n\u003cp\u003eThe basket has 641 micro-holes of 0.30 mm distributed over a perforated area with a diameter of 44 mm.\u003c\/p\u003e\n\u003ch3\u003eDoes the filter basket have a retention ridge?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an external ridge that helps the portafilter spring hold the basket in place.\u003c\/p\u003e\n\u003ch3\u003eDoes an IMS basket prevent channeling?\u003c\/h3\u003e\n\u003cp\u003eNot on its own. The precise perforation provides a uniform starting point, but correct distribution, grind size, and horizontal tamping remain essential.\u003c\/p\u003e\n\u003ch3\u003eAre a portafilter or tamper included?\u003c\/h3\u003e\n\u003cp\u003eNo. The product consists only of the IMS filter basket. A portafilter, tamper, and other espresso accessories are purchased separately.\u003c\/p\u003e","brand":"Brændeholm Risteri","offers":[{"title":"Default Title","offer_id":54274158821719,"sku":null,"price":199.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/0705\/4167\/files\/IMS-2T1218gH27_5PrecisionFilter2.jpg?v=1786042846"},{"product_id":"ims-competition-praecisionskurv-58-mm-2t-h24-5","title":"IMS Precision Basket 58 mm Competition B702TH24.5M","description":"\u003ch1\u003eIMS Competition Precision Filter Basket 58 mm 2T H24.5\u003c\/h1\u003e\n\u003cp\u003eGet a more precise foundation for your espresso with the \u003cstrong\u003eIMS Competition B702TH24.5M\u003c\/strong\u003e. This double filter basket is designed for espresso machines and portafilters that use baskets with a 70 mm outer rim and a 58 or 58.4 mm tamper.\u003c\/p\u003e\n\u003cp\u003eThe basket features 641 precisely manufactured micro-holes distributed according to the IMS M Pattern. The controlled perforation helps water move evenly through the coffee puck and provides excellent opportunities to work consistently with grind size, dosage, and puck preparation.\u003c\/p\u003e\n\u003ch2\u003eThe IMS Competition Series\u003c\/h2\u003e\n\u003cp\u003eIMS Competition baskets are manufactured with a focus on consistent hole size and placement. The holes are re-laminated and calibrated after perforation to reduce variations between individual openings.\u003c\/p\u003e\n\u003cp\u003eThe B702TH24.5M features:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e641 micro-holes\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eHole diameter of 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eM Pattern perforation\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003ePerforated area of 49 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003ePatterned area of 44 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eElectropolished surface\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eExternal retention groove\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eRounded internal corners\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe rounded transition between the sides and the bottom of the basket helps to utilize the coffee puck and makes it easier to knock out the used puck after brewing.\u003c\/p\u003e\n\u003ch2\u003eFor 58 and 58.4 mm tampers\u003c\/h2\u003e\n\u003cp\u003eIMS specifies the basket for use with 58 or 58.4 mm tampers. A tight-fitting tamper reduces the amount of loose coffee along the edge of the basket and makes it easier to create a level, horizontal puck.\u003c\/p\u003e\n\u003cp\u003eThe designation 58 mm describes the tamper and basket size, but does not automatically mean the basket fits all espresso machines with a so-called 58 mm brew head.\u003c\/p\u003e\n\u003cp\u003eTherefore, always check the internal depth of the portafilter, the outer diameter of the basket, and the position of the retention spring before purchasing.\u003c\/p\u003e\n\u003ch2\u003eDosage depends on the coffee\u003c\/h2\u003e\n\u003cp\u003eThe practical capacity of the basket varies depending on the roast level, coffee density, and grind size.\u003c\/p\u003e\n\u003cp\u003eIMS provides the following recommended dosage ranges:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDark roast coffee: approximately 16–18 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eMedium roast coffee: approximately 17–19 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eLight roast coffee: approximately 20–22.5 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eLight-roasted coffee beans often have a higher density and therefore take up less space at the same weight than darker roasts. The correct dose can therefore not be determined by the basket's height alone.\u003c\/p\u003e\n\u003cp\u003eEnsure that there is appropriate clearance between the tamped coffee puck and the machine's shower screen. Excessive dosage can cause the puck to touch the brew head and affect water distribution.\u003c\/p\u003e\n\u003ch2\u003eUniform perforation for precise espresso\u003c\/h2\u003e\n\u003cp\u003eA precision basket does not automatically eliminate the risk of channeling. The result still depends on:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eA consistent coffee grinder\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCorrect grind size\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eEven distribution of the coffee\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003ePotential use of WDT\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eLevel tamping\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAppropriate dosage\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCorrect brewing temperature and pressure\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eHowever, the uniform perforation provides a more predictable starting point than many standard baskets. This makes it easier to adjust the espresso recipe and identify the effect of changes in grind size or dosage.\u003c\/p\u003e\n\u003ch2\u003eExternal retention groove\u003c\/h2\u003e\n\u003cp\u003eThe basket has an external groove with a diameter of approximately 60.5 mm. The groove is used by the portafilter's spring to hold the basket in place.\u003c\/p\u003e\n\u003cp\u003eThis means that the basket usually stays in the portafilter when the coffee grounds are knocked out. However, the size and strength of the spring can affect how tightly the basket fits.\u003c\/p\u003e\n\u003ch2\u003eHow to achieve a good result\u003c\/h2\u003e\n\u003col\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eChoose a starting dosage that fits the roast level of the coffee.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDistribute the coffee evenly in the filter basket.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBreak up clumps with a WDT tool as needed.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamp horizontally with an appropriate 58 or 58.4 mm tamper.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCheck the space between the coffee puck and the brew head.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew the espresso and evaluate flow, time, and taste.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAdjust primarily the grind size, while keeping the dosage stable.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003cp\u003eWhen using a bottomless portafilter, you can more easily observe uneven flow and any potential channeling, but a bottomless portafilter is not necessary to use the basket.\u003c\/p\u003e\n\u003ch2\u003eCleaning and maintenance\u003c\/h2\u003e\n\u003cp\u003eKnock out the coffee grounds after each brew and rinse the basket thoroughly with hot water. Regularly check that the micro-holes are not clogged by coffee oils or fine coffee particles.\u003c\/p\u003e\n\u003cp\u003eFor more thorough cleaning, the basket can be soaked in a suitable cleaning agent for espresso and coffee equipment. Follow the cleaning agent's dosage instructions and rinse the basket thoroughly with clean water after the treatment.\u003c\/p\u003e\n\u003cp\u003eAvoid needles, steel brushes, and other sharp tools that can damage the micro-holes.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e IMS\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Competition\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel number:\u003c\/strong\u003e B702TH24.5M\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Double precision filter basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesignation:\u003c\/strong\u003e 2T \/ 2 cups\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 24.5 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eOuter rim:\u003c\/strong\u003e Ø70 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasket body:\u003c\/strong\u003e Ø60 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper size:\u003c\/strong\u003e Ø58–58.4 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRetention groove:\u003c\/strong\u003e External, Ø60.5 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eNumber of micro-holes:\u003c\/strong\u003e 641\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole diameter:\u003c\/strong\u003e 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerforated area:\u003c\/strong\u003e Ø49 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eM Pattern area:\u003c\/strong\u003e Ø44 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSurface treatment:\u003c\/strong\u003e Electropolished\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended capacity:\u003c\/strong\u003e Depends on roast level and coffee density\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePortafilter included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe IMS Competition B702TH24.5M is an obvious choice for the espresso enthusiast who wants a precision basket with uniform perforation and a better opportunity to work systematically with their espresso recipe.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhich tamper fits the filter basket?\u003c\/h3\u003e\n\u003cp\u003eIMS specifies the basket for tampers with a diameter of 58 or 58.4 mm. A tight-fitting tamper makes it easier to compress the coffee evenly all the way to the edge.\u003c\/p\u003e\n\u003ch3\u003eHow much coffee fits in the basket?\u003c\/h3\u003e\n\u003cp\u003eThe appropriate dose depends on the roast level, density, and grind size. IMS specifies approximately 16–18 g for dark roast coffee, 17–19 g for medium roast, and 20–22.5 g for light roast coffee.\u003c\/p\u003e\n\u003ch3\u003eDoes the basket fit all 58 mm espresso machines?\u003c\/h3\u003e\n\u003cp\u003eNo. You must also check the basket's 70 mm outer rim, the 24.5 mm height, and the portafilter design. Compare these measurements with your existing filter basket before purchasing.\u003c\/p\u003e\n\u003ch3\u003eWhat does 2T mean?\u003c\/h3\u003e\n\u003cp\u003e2T means that the basket is developed for a double portion of espresso. However, the actual dose depends on the coffee and the chosen recipe.\u003c\/p\u003e\n\u003ch3\u003eHow many holes does the filter basket have?\u003c\/h3\u003e\n\u003cp\u003eThe basket has 641 micro-holes with a diameter of 0.30 mm.\u003c\/p\u003e\n\u003ch3\u003eDoes the filter basket have a retention groove?\u003c\/h3\u003e\n\u003cp\u003eYes. The basket has an external groove that the portafilter's spring can engage with.\u003c\/p\u003e\n\u003ch3\u003eDoes an IMS precision basket prevent channeling?\u003c\/h3\u003e\n\u003cp\u003eNot on its own. Consistent grind size, good distribution, correct dosage, and level tamping are still crucial. However, the basket's precise perforation provides a more uniform foundation for extraction.\u003c\/p\u003e\n\u003ch3\u003eAre a portafilter or tamper included?\u003c\/h3\u003e\n\u003cp\u003eNo. The product consists only of the IMS filter basket. Portafilter, tamper, and other espresso equipment are purchased separately.\u003c\/p\u003e","brand":"Brændeholm Risteri","offers":[{"title":"Default Title","offer_id":54274551873879,"sku":null,"price":199.0,"currency_code":"DKK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/0705\/4167\/files\/IMSPraecisionskurv58mmCompetition2T12_18gH27_5.jpg?v=1786043564"},{"product_id":"ims-b702tch28-5e-praecisionskurv-58-mm","title":"IMS Competition Precision Filter Basket 58 mm Convex H28.5 – B702TCH28.5E","description":"\u003ch1\u003eIMS Competition Precision Filter Basket 58 mm Convex H28.5\u003c\/h1\u003e\n\u003cp\u003eGet a more precise and consistent foundation for your espresso with the \u003cstrong\u003eIMS Competition B702TCH28.5E\u003c\/strong\u003e. Developed for larger double espresso doses, this filter basket combines a cylindrical shape with a convex bottom and 715 precision-manufactured micro-holes.\u003c\/p\u003e\n\u003cp\u003eThe convex bottom directs the brewed espresso toward the center of the basket, making this model particularly suitable for use with a bottomless portafilter.\u003c\/p\u003e\n\u003ch2\u003eConvex bottom for centered flow\u003c\/h2\u003e\n\u003cp\u003eUnlike a traditional flat filter basket, the B702TCH28.5E has a slightly curved base. The shape concentrates the flow toward the middle of the basket, creating a centered stream of espresso.\u003c\/p\u003e\n\u003cp\u003eThe convex construction is designed to:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eUtilize the entire coffee puck during extraction\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eGather the flow toward the center of the basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eProvide a clear flow in a bottomless portafilter\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eSupport drying of the coffee puck\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eMake the used puck easier to knock out\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe shape of the basket alone cannot prevent channeling. Uniform grinding, proper distribution, and level tamping remain essential.\u003c\/p\u003e\n\u003ch2\u003e715 precision-manufactured holes\u003c\/h2\u003e\n\u003cp\u003eThe basket bottom features 715 holes with a diameter of 0.30 mm. The holes are arranged in a hexagonal pattern over a 49 mm perforated area.\u003c\/p\u003e\n\u003cp\u003eAs part of the IMS Competition series, the perforation is post-processed and calibrated to create a more consistent size and shape for the holes.\u003c\/p\u003e\n\u003cp\u003eThis provides a stable starting point when adjusting:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eGrind size\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDosage\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew time\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eYield\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew ratio\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eA precision basket can therefore make it easier to replicate a good recipe and identify the effect of individual adjustments.\u003c\/p\u003e\n\u003ch2\u003eLarge capacity due to height\u003c\/h2\u003e\n\u003cp\u003eThe filter basket is 28.5 mm high and is designed for relatively large doses. IMS indicates different capacity ranges depending on the roast level of the coffee:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDark roast coffee: approximately 19–22 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eMedium roast coffee: approximately 22–25 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eLight roast coffee: approximately 23–27 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe difference is due in part to the fact that light coffee beans typically have a higher density and therefore take up less space at the same weight than dark-roasted beans.\u003c\/p\u003e\n\u003cp\u003eThe dosages are indicative. The correct amount also depends on grind size, coffee density, and the clearance between the coffee puck and the machine's shower screen.\u003c\/p\u003e\n\u003ch2\u003eFor 58 and 58.4 mm tampers\u003c\/h2\u003e\n\u003cp\u003eIMS specifies the filter basket for tampers with a diameter of 58 or 58.4 mm. A snug-fitting tamper helps compress the coffee evenly all the way to the edge of the basket.\u003c\/p\u003e\n\u003cp\u003eThe basket dimensions are:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eOuter rim: 70 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBasket body: 60 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eHeight: 28.5 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eRecommended tamper: 58–58.4 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe designation 58 mm does not automatically mean that the basket fits all 58 mm espresso machines. The portafilter must also have the necessary internal diameter and depth.\u003c\/p\u003e\n\u003cp\u003eTherefore, always compare the dimensions with your existing filter basket before purchasing.\u003c\/p\u003e\n\u003ch2\u003eRidgeless construction\u003c\/h2\u003e\n\u003cp\u003eThe B702TCH28.5E is ridgeless and therefore has no external retention groove.\u003c\/p\u003e\n\u003cp\u003eThe smooth exterior makes the basket easier to insert and remove from the portafilter. How firmly it sits depends on the portafilter's spring and construction.\u003c\/p\u003e\n\u003cp\u003eA ridgeless basket can still be held securely by the portafilter spring, but the fit should be checked before use.\u003c\/p\u003e\n\u003ch2\u003eElectropolished surface\u003c\/h2\u003e\n\u003cp\u003eThe filter basket has an electropolished and passivated surface. The treatment reduces microscopic imperfections and creates a smooth surface that is easier to clean.\u003c\/p\u003e\n\u003cp\u003eThe smooth finish helps limit the buildup of coffee oils and fine coffee particles, but the basket must still be cleaned regularly.\u003c\/p\u003e\n\u003ch2\u003eParticularly suitable for bottomless portafilters\u003c\/h2\u003e\n\u003cp\u003eThe convex bottom gathers the espresso toward the center and therefore pairs well with a bottomless portafilter.\u003c\/p\u003e\n\u003cp\u003eA bottomless portafilter also makes it easier to observe:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether the flow starts evenly\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether the espresso gathers toward the center\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether channeling occurs\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether the tamping is uneven\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether puck preparation should be adjusted\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe filter basket can also be used in compatible spouted portafilters if there is sufficient space under the basket's convex bottom.\u003c\/p\u003e\n\u003ch2\u003eHow to achieve a good result\u003c\/h2\u003e\n\u003col\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eChoose a starting dose that fits the coffee's roast level.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDistribute the ground coffee evenly in the basket.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eOptionally use a WDT tool to break up clumps.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamp the coffee horizontally with a suitable tamper.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCheck that there is space between the puck and the shower screen.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew the espresso and evaluate the flow, time, and taste.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAdjust primarily the grind size while keeping the dosage stable.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003cp\u003eIt is recommended to start at the lower end of the suggested dosage range. An overfilled basket can cause the coffee puck to hit the brew head and affect water distribution.\u003c\/p\u003e\n\u003ch2\u003eCleaning and maintenance\u003c\/h2\u003e\n\u003cp\u003eKnock out the coffee grounds after brewing and rinse the basket thoroughly with hot water. Check regularly that the 715 holes are not clogged by coffee oils or fine particles.\u003c\/p\u003e\n\u003cp\u003eFor deep cleaning, the basket can be soaked in a suitable cleaning agent for espresso and coffee equipment. Follow the cleaner's instructions and rinse the basket thoroughly with clean water afterward.\u003c\/p\u003e\n\u003cp\u003eAvoid needles, steel brushes, and other sharp tools that can damage or alter the shape of the micro-holes.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e IMS\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Competition Convex\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel number:\u003c\/strong\u003e B702TCH28.5E\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Precision basket for espresso\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 2–3 cups\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 28.5 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eOuter rim:\u003c\/strong\u003e 70 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasket body:\u003c\/strong\u003e 60 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper size:\u003c\/strong\u003e 58–58.4 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBottom:\u003c\/strong\u003e Convex\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRetention groove:\u003c\/strong\u003e No – ridgeless\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eNumber of holes:\u003c\/strong\u003e 715\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole diameter:\u003c\/strong\u003e 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerforated area:\u003c\/strong\u003e 49 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole pattern:\u003c\/strong\u003e Hexagonal\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSurface:\u003c\/strong\u003e Electropolished and passivated\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuggested dose, dark roast:\u003c\/strong\u003e 19–22 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuggested dose, medium roast:\u003c\/strong\u003e 22–25 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuggested dose, light roast:\u003c\/strong\u003e 23–27 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePortafilter included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe IMS Competition B702TCH28.5E is an obvious choice for the espresso enthusiast who wants a large, ridgeless, precision basket with a convex bottom, centered flow, and room for larger doses.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow much coffee fits in the IMS B702TCH28.5E?\u003c\/h3\u003e\n\u003cp\u003eIMS indicates approximately 19–22 g for dark roast coffee, 22–25 g for medium roast coffee, and 23–27 g for light roast coffee. The optimal dosage also depends on grind size and coffee density.\u003c\/p\u003e\n\u003ch3\u003eWhich tamper fits the basket?\u003c\/h3\u003e\n\u003cp\u003eThe basket is intended for tampers with a diameter of 58 or 58.4 mm. A snug-fitting tamper usually provides the most uniform tamping along the edge of the basket.\u003c\/p\u003e\n\u003ch3\u003eDoes the basket fit all 58 mm espresso machines?\u003c\/h3\u003e\n\u003cp\u003eNo. You must also check the basket's outer rim of 70 mm, the body diameter of 60 mm, and the height of 28.5 mm. Furthermore, the portafilter must have room for the convex bottom.\u003c\/p\u003e\n\u003ch3\u003eWhat does the convex bottom mean?\u003c\/h3\u003e\n\u003cp\u003eThe convex bottom is slightly curved and directs the finished espresso toward the center of the basket. The shape pairs particularly well with a bottomless portafilter.\u003c\/p\u003e\n\u003ch3\u003eWhat does ridgeless mean?\u003c\/h3\u003e\n\u003cp\u003eRidgeless means that the basket does not have an external retention groove. The smooth exterior makes the basket easier to remove, while the portafilter spring can still keep it in place.\u003c\/p\u003e\n\u003ch3\u003eHow many holes does the filter basket have?\u003c\/h3\u003e\n\u003cp\u003eThe basket has 715 precision-manufactured holes with a diameter of 0.30 mm.\u003c\/p\u003e\n\u003ch3\u003eDoes the basket prevent channeling?\u003c\/h3\u003e\n\u003cp\u003eNot on its own. The basket's uniform perforation provides a precise foundation, but correct grind size, distribution, dosage, and level tamping remain essential.\u003c\/p\u003e\n\u003ch3\u003eCan the basket be used in a spouted portafilter?\u003c\/h3\u003e\n\u003cp\u003eYes, if the portafilter has sufficient diameter and depth for the basket's height and convex bottom. Always compare with the dimensions of your current basket.\u003c\/p\u003e\n\u003ch3\u003eAre a portafilter or tamper included?\u003c\/h3\u003e\n\u003cp\u003eNo. The product consists only of the IMS filter basket. Portafilter, tamper, and other espresso equipment are purchased separately.\u003c\/p\u003e","brand":"Brændeholm Risteri","offers":[{"title":"Default Title","offer_id":54275113877847,"sku":null,"price":199.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/0705\/4167\/files\/IMSCompetitionPraecisionskurv58mmConvexH28_5_B702TCH28.5E.jpg?v=1786048026"},{"product_id":"ims-b702tch26e-praecisionskurv-58-mm-convex","title":"IMS Competition Precision Filter Basket 58 mm Convex H26 – B702TCH26E","description":"\u003ch1\u003eIMS Competition Precision Basket 58 mm Convex H26\u003c\/h1\u003e\n\u003cp\u003eGet a more precise starting point for your espresso with the \u003cstrong\u003eIMS Competition B702TCH26E\u003c\/strong\u003e. This filter basket is designed for double espresso portions and combines a cylindrical shape with a convex bottom and 715 precision-manufactured micro-holes.\u003c\/p\u003e\n\u003cp\u003eThe basket is 26 mm high and designed for tampers with a diameter of 58 or 58.4 mm. The ridgeless construction provides a smooth exterior without a retention groove.\u003c\/p\u003e\n\u003ch2\u003eConvex bottom with centered flow\u003c\/h2\u003e\n\u003cp\u003eThe B702TCH26E features a slightly curved, convex bottom. This shape directs the finished espresso toward the center of the basket and creates a gathered flow during extraction.\u003c\/p\u003e\n\u003cp\u003eThe convex design is developed to:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eUtilize the coffee puck across the entire perforated area\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eConcentrate the espresso flow toward the center\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eProvide a clear flow in a bottomless portafilter\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eSupport the drying of the used coffee puck\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eMake the puck easier to knock out after brewing\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe basket can also be used in compatible spouted portafilters, provided there is sufficient clearance for the height and the curved bottom.\u003c\/p\u003e\n\u003ch2\u003e715 precision-manufactured micro-holes\u003c\/h2\u003e\n\u003cp\u003eThe basket bottom features 715 holes with a diameter of 0.30 mm. The holes are arranged in a hexagonal pattern over a perforated area with a diameter of 49 mm.\u003c\/p\u003e\n\u003cp\u003eAs part of the IMS Competition series, the holes are re-laminated and calibrated after perforation. This ensures a consistent hole size and a more stable starting point for espresso extraction.\u003c\/p\u003e\n\u003cp\u003eThe precise perforation makes it easier to work systematically with:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eGrind size\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDosing\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCoffee distribution in the basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew time\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eYield\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCoffee-to-espresso ratio\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eA precision basket cannot prevent channeling on its own. A consistent grind size, thorough distribution, and level tamping remain crucial.\u003c\/p\u003e\n\u003ch2\u003eRecommended dosing\u003c\/h2\u003e\n\u003cp\u003eThe optimal amount of coffee depends on the roast level, grind size, and the density of the coffee beans.\u003c\/p\u003e\n\u003cp\u003eIMS specifies the following recommended capacities:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eDark roast coffee:\u003c\/strong\u003e approx. 17–19 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eMedium roast coffee:\u003c\/strong\u003e approx. 18.5–21 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eLight roast coffee:\u003c\/strong\u003e approx. 20.5–23 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eLightly roasted coffee beans typically have a higher density and therefore occupy less space at the same weight than dark-roasted beans.\u003c\/p\u003e\n\u003cp\u003eThese dosages should be used as a starting point. Always check that there is appropriate distance between the tamped coffee puck and the machine's shower screen. An overfilled basket can cause the puck to hit the brew head and affect water distribution.\u003c\/p\u003e\n\u003ch2\u003eFor 58 and 58.4 mm tampers\u003c\/h2\u003e\n\u003cp\u003eIMS specifies the basket for tampers with a diameter of 58 or 58.4 mm.\u003c\/p\u003e\n\u003cp\u003eA close-fitting tamper helps to compress the coffee evenly all the way to the edge of the basket. This reduces the amount of loose coffee along the sides and provides a better opportunity for a uniform puck.\u003c\/p\u003e\n\u003cp\u003eThe designation \"58 mm\" does not automatically mean the basket fits all espresso machines with a 58 mm brew head.\u003c\/p\u003e\n\u003cp\u003eTherefore, check:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe internal diameter of the portafilter\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe depth of the portafilter\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe 70 mm outer rim of the basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe 60 mm body diameter of the basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe 26 mm height of the basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eThe portafilter retention spring\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eIt is recommended to compare these measurements with your existing filter basket before ordering.\u003c\/p\u003e\n\u003ch2\u003eRidgeless construction\u003c\/h2\u003e\n\u003cp\u003eThe basket is ridgeless and therefore has no external retention groove.\u003c\/p\u003e\n\u003cp\u003eThe smooth exterior makes the basket easier to insert and remove from the portafilter. How tightly it fits depends on the spring and construction of the portafilter.\u003c\/p\u003e\n\u003cp\u003eA ridgeless basket can still be held securely, but the fit may vary between different portafilters.\u003c\/p\u003e\n\u003ch2\u003eElectropolished surface\u003c\/h2\u003e\n\u003cp\u003eThe B702TCH26E has an electropolished surface. This process reduces microscopic imperfections and creates a smooth and hygienic surface.\u003c\/p\u003e\n\u003cp\u003eThe smooth finish makes the basket easier to clean and helps limit the accumulation of coffee oils and fine coffee particles.\u003c\/p\u003e\n\u003cp\u003eThe basket also undergoes wet vibro-finishing with ceramic elements as part of IMS’s post-processing.\u003c\/p\u003e\n\u003ch2\u003eSuitable for bottomless portafilters\u003c\/h2\u003e\n\u003cp\u003eThe convex bottom directs the espresso toward the center of the basket, making it particularly well-suited for a bottomless portafilter.\u003c\/p\u003e\n\u003cp\u003eA bottomless portafilter makes it easier to observe:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether the flow starts evenly\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether the espresso gathers toward the center\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether channeling occurs\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether the tamping is uneven\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eWhether coffee distribution should be improved\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eA bottomless portafilter is, however, not necessary to use the basket.\u003c\/p\u003e\n\u003ch2\u003eHow to achieve a great result\u003c\/h2\u003e\n\u003col\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eSelect a starting dose that matches the roast level of the coffee.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDistribute the ground coffee evenly in the basket.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eUse a WDT tool to break up clumps if necessary.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamp the coffee level with a suitable 58 or 58.4 mm tamper.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCheck the distance between the coffee puck and the brew head.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew the espresso and evaluate the flow, time, and taste.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAdjust primarily the grind size while keeping the dosage stable.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003cp\u003eFeel free to start at the lower end of the recommended dosage range and increase gradually as needed.\u003c\/p\u003e\n\u003ch2\u003eCleaning and maintenance\u003c\/h2\u003e\n\u003cp\u003eKnock out the coffee grounds after each brew and rinse the basket thoroughly with warm water. Regularly check that the micro-holes are not clogged by coffee oils or fine coffee particles.\u003c\/p\u003e\n\u003cp\u003eFor deep cleaning, the basket can be soaked in a suitable cleaning agent for espresso and coffee equipment. Follow the manufacturer's instructions and rinse the basket thoroughly with clean water afterward.\u003c\/p\u003e\n\u003cp\u003eAvoid using needles, steel brushes, or other sharp tools that could damage or alter the shape of the micro-holes.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e IMS\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Competition Convex\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel number:\u003c\/strong\u003e B702TCH26E\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Precision espresso basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e Double espresso \/ 2 cups\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 26 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eOuter rim:\u003c\/strong\u003e 70 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasket body:\u003c\/strong\u003e 60 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper size:\u003c\/strong\u003e 58–58.4 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBottom:\u003c\/strong\u003e Convex\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRetention groove:\u003c\/strong\u003e No – ridgeless\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eNumber of holes:\u003c\/strong\u003e 715\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole diameter:\u003c\/strong\u003e 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerforated area:\u003c\/strong\u003e 49 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole pattern:\u003c\/strong\u003e Hexagonal\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSurface treatment:\u003c\/strong\u003e Electropolished\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended dose, dark roast:\u003c\/strong\u003e 17–19 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended dose, medium roast:\u003c\/strong\u003e 18.5–21 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended dose, light roast:\u003c\/strong\u003e 20.5–23 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePortafilter included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThe IMS Competition B702TCH26E is an obvious choice for the espresso enthusiast who wants a ridgeless precision basket with a convex bottom, centered flow, and capacity for a standard or larger double espresso.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow much coffee fits in the IMS B702TCH26E?\u003c\/h3\u003e\n\u003cp\u003eIMS recommends approximately 17–19 g for dark roast, 18.5–21 g for medium roast, and 20.5–23 g for light roast coffee. The optimal dose also depends on the grind size and coffee density.\u003c\/p\u003e\n\u003ch3\u003eWhich tamper fits the basket?\u003c\/h3\u003e\n\u003cp\u003eThe basket is designed for tampers with a diameter of 58 or 58.4 mm. A close-fitting tamper helps compress the coffee evenly all the way to the edge.\u003c\/p\u003e\n\u003ch3\u003eDoes the basket fit all 58 mm espresso machines?\u003c\/h3\u003e\n\u003cp\u003eNo. You must also check the basket's outer rim (70 mm), body diameter (60 mm), and height (26 mm). The portafilter must also have clearance for the convex bottom.\u003c\/p\u003e\n\u003ch3\u003eWhat does the convex bottom mean?\u003c\/h3\u003e\n\u003cp\u003eThe convex bottom is slightly curved and directs the espresso flow toward the center of the basket. The shape is particularly well-suited for use with a bottomless portafilter.\u003c\/p\u003e\n\u003ch3\u003eWhat does \"ridgeless\" mean?\u003c\/h3\u003e\n\u003cp\u003eRidgeless means the basket has no external retention groove. Instead, the portafilter spring holds the basket against its smooth exterior.\u003c\/p\u003e\n\u003ch3\u003eHow many holes does the filter basket have?\u003c\/h3\u003e\n\u003cp\u003eThe basket has 715 precision-manufactured micro-holes with a diameter of 0.30 mm.\u003c\/p\u003e\n\u003ch3\u003eDoes the IMS basket prevent channeling?\u003c\/h3\u003e\n\u003cp\u003eNot on its own. The basket's uniform perforation provides a precise starting point, but proper grind size, dosage, distribution, and level tamping remain crucial.\u003c\/p\u003e\n\u003ch3\u003eCan the basket be used in a spouted portafilter?\u003c\/h3\u003e\n\u003cp\u003eYes, if the portafilter has sufficient diameter and depth for the basket's height and convex bottom. Always compare the measurements with your existing filter basket.\u003c\/p\u003e\n\u003ch3\u003eAre a portafilter or tamper included?\u003c\/h3\u003e\n\u003cp\u003eNo. The product consists only of the IMS filter basket. The portafilter, tamper, and other espresso equipment are sold separately.\u003c\/p\u003e","brand":"Brændeholm Risteri","offers":[{"title":"Default Title","offer_id":54275423699287,"sku":null,"price":199.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/0705\/4167\/files\/IMSCompetitionPraecisionskurv58mmConvexH26_B702TCH26E.jpg?v=1786050096"},{"product_id":"ims-b702tch24e-praecisionskurv-58-mm-convex","title":"IMS Competition Precision Filter Basket 58 mm Convex H24 – B702TCH24E","description":"\u003ch1\u003eIMS Competition Precision Basket 58 mm Convex H24\u003c\/h1\u003e\n\u003cp\u003eAchieve a precise and consistent foundation for your espresso with the \u003cstrong\u003eIMS Competition B702TCH24E\u003c\/strong\u003e. This filter basket combines a cylindrical shape with a convex bottom, 715 precision-engineered holes, and a ridgeless construction without an external retention groove.\u003c\/p\u003e\n\u003cp\u003eThe basket is 24 mm high and designed for 58–58.4 mm tampers. Its capacity makes it suitable for standard double espresso portions, though the optimal dosage depends on the coffee's roast level, density, and grind size.\u003c\/p\u003e\n\u003ch2\u003eConvex bottom with centered flow\u003c\/h2\u003e\n\u003cp\u003eThe B702TCH24E features a slightly curved, convex bottom. This shape is designed to make the most of the coffee puck and direct the espresso flow toward the center of the basket.\u003c\/p\u003e\n\u003cp\u003eThe convex construction can contribute to:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eA centered flow\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eEfficient utilization of the coffee puck\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eEasier drying of the used puck\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eEasier removal of the puck after brewing\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003ctd\u003eA clear flow when using a bottomless portafilter\n\n\n\u003cp\u003eThe basket can also be used in compatible spouted portafilters, provided the portafilter has sufficient clearance for the basket's height and curved bottom.\u003c\/p\u003e\n\n\u003ch2\u003e715 precision-engineered holes\u003c\/h2\u003e\n\n\u003cp\u003eThe bottom of the basket has 715 holes with a diameter of 0.30 mm. The holes are arranged in a hexagonal pattern over a perforated area with a diameter of 49 mm.\u003c\/p\u003e\n\n\u003cp\u003eAs part of the IMS Competition series, the perforation is re-laminated and calibrated after manufacturing. This provides a high degree of uniformity between the holes and a stable foundation for espresso extraction.\u003c\/p\u003e\n\n\u003cp\u003eThe precise perforation makes it easier to work systematically with:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eGrind size\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDosage\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDistribution of the coffee\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew time\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eYield\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCoffee-to-espresso ratio\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eA precision basket cannot prevent channeling on its own. A consistent grind size, thorough distribution, and level tamping remain essential.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended dosage\u003c\/h2\u003e\n\n\u003cp\u003eIMS specifies different dosage ranges depending on the coffee's roast level:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eDark roast:\u003c\/strong\u003e approximately 14–16 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eMedium roast:\u003c\/strong\u003e approximately 15–17 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eLight roast:\u003c\/strong\u003e approximately 18–21 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eLight-roasted coffee beans typically have a higher density and therefore occupy less space by weight than dark-roasted beans.\u003c\/p\u003e\n\n\u003cp\u003eThe dosage ranges are guidelines. The optimal coffee quantity also depends on the grind size, coffee density, and the distance between the tamped coffee puck and the machine's shower screen.\u003c\/p\u003e\n\n\u003cp\u003eFeel free to start at the lower end of the recommended range and check that the coffee puck does not touch the brew head.\u003c\/p\u003e\n\n\u003ch2\u003eFor 58 and 58.4 mm tampers\u003c\/h2\u003e\n\n\u003cp\u003eIMS specifies the basket for tampers with a diameter of 58 or 58.4 mm.\u003c\/p\u003e\n\n\u003cp\u003eA tight-fitting tamper helps compress the coffee evenly all the way to the edge of the basket. This reduces the amount of loose coffee along the sides and makes it easier to create a level coffee puck.\u003c\/p\u003e\n\n\u003cp\u003eThe 58 mm designation does not automatically mean that the basket fits all espresso machines with a 58 mm brew head.\u003c\/p\u003e\n\n\u003cp\u003eTherefore, check the following dimensions:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eOuter rim: 70 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBasket body: 60 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eHeight: 24 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamper size: 58–58.4 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eIt is recommended to compare these dimensions with your current filter basket before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eRidgeless construction\u003c\/h2\u003e\n\n\u003cp\u003eThe B702TCH24E is ridgeless and therefore has no external retention groove.\u003c\/p\u003e\n\n\u003cp\u003eThe smooth exterior makes it easier to insert and remove the basket from the portafilter. The basket is held in place by the portafilter's spring, so the tightness of the fit depends on the size and strength of the spring.\u003c\/p\u003e\n\n\u003ch2\u003eElectropolished surface\u003c\/h2\u003e\n\n\u003cp\u003eThe filter basket has an electropolished surface that reduces microscopic imperfections and provides a smooth finish.\u003c\/p\u003e\n\n\u003cp\u003eThis surface treatment makes the basket easier to clean and helps limit the buildup of coffee oils and fine coffee particles.\u003c\/p\u003e\n\n\u003cp\u003eAs part of the finishing process, the basket also undergoes a wet vibro-finishing treatment with ceramic elements.\u003c\/p\u003e\n\n\u003ch2\u003eSuitable for a bottomless portafilter\u003c\/h2\u003e\n\n\u003cp\u003eThe convex bottom directs the espresso flow toward the center, making the basket particularly suitable for a bottomless portafilter.\u003c\/p\u003e\n\n\u003cp\u003eA bottomless portafilter makes it easier to observe:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eIf the extraction starts evenly\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eIf the espresso converges toward the center\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eIf channeling occurs\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eIf the tamping is uneven\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eIf coffee distribution needs adjustment\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eHowever, a bottomless portafilter is not required to use the basket.\u003c\/p\u003e\n\n\u003ch2\u003eHow to achieve a great result\u003c\/h2\u003e\n\n\u003col\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eSelect a starting dosage based on the coffee's roast level.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eDistribute the ground coffee evenly in the basket.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eOptionally, use a WDT tool to break up clumps.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eTamp level with a suitable 58 or 58.4 mm tamper.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eCheck the distance between the coffee puck and the brew head.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eBrew the espresso and evaluate the flow, brew time, and taste.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003eAdjust primarily the grind size while keeping the dosage stable.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n--\u0026gt;\u003c\/ol\u003e\n\n\u003ch2\u003eCleaning and maintenance\u003c\/h2\u003e\n\n\u003cp\u003eKnock out the coffee grounds after each brew and rinse the filter basket thoroughly with hot water. Regularly check that the small holes are not clogged by coffee oils or fine coffee particles.\u003c\/p\u003e\n\n\u003cp\u003eFor deep cleaning, the basket can be soaked in a suitable cleaning agent for espresso and coffee equipment. Follow the cleaner's instructions and rinse the basket thoroughly with clean water afterward.\u003c\/p\u003e\n\n\u003cp\u003eAvoid needles, steel brushes, and other sharp tools that may damage or alter the shape of the micro-holes.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e IMS\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Competition Convex\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel number:\u003c\/strong\u003e B702TCH24E\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct type:\u003c\/strong\u003e Precision espresso basket\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e Double espresso \/ 2 cups\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e 24 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eOuter rim:\u003c\/strong\u003e 70 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBasket body:\u003c\/strong\u003e 60 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper size:\u003c\/strong\u003e 58–58.4 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBottom:\u003c\/strong\u003e Convex\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRetention groove:\u003c\/strong\u003e No – ridgeless\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eNumber of holes:\u003c\/strong\u003e 715\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole diameter:\u003c\/strong\u003e 0.30 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerforated area:\u003c\/strong\u003e 49 mm\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole pattern:\u003c\/strong\u003e Hexagonal\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHole cross-section:\u003c\/strong\u003e Conical\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSurface treatment:\u003c\/strong\u003e Electropolished\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended dose, dark roast:\u003c\/strong\u003e 14–16 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended dose, medium roast:\u003c\/strong\u003e 15–17 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended dose, light roast:\u003c\/strong\u003e 18–21 g\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003ePortafilter included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper included:\u003c\/strong\u003e No\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eThe IMS Competition B702TCH24E is an ideal choice for the espresso enthusiast who wants a compact, ridgeless precision basket with a convex bottom, consistent perforation, and the capacity for a double espresso.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3\u003eHow much coffee fits in the IMS B702TCH24E?\u003c\/h3\u003e\n\n\u003cp\u003eIMS recommends approximately 14–16 g for dark-roasted coffee, 15–17 g for medium-roasted coffee, and 18–21 g for light-roasted coffee. The optimal dosage also depends on the grind size and the density of the coffee.\u003c\/p\u003e\n\n\u003ch3\u003eWhich tamper fits the basket?\u003c\/h3\u003e\n\n\u003cp\u003eThe basket is designed for tampers with a diameter of 58 or 58.4 mm. A tight-fitting tamper makes it easier to compress the coffee evenly all the way to the edge.\u003c\/p\u003e\n\n\u003ch3\u003eDoes the basket fit all 58 mm espresso machines?\u003c\/h3\u003e\n\n\u003cp\u003eNo. You must also check the basket's outer rim of 70 mm, the body diameter of 60 mm, and the height of 24 mm. Additionally, the portafilter must have enough clearance for the convex bottom.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does a convex bottom mean?\u003c\/h3\u003e\n\n\u003cp\u003eThe convex bottom is slightly curved and directs the espresso flow toward the center of the basket. The shape is particularly suitable for use with a bottomless portafilter.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does ridgeless mean?\u003c\/h3\u003e\n\n\u003cp\u003eRidgeless means the basket has no external retention groove. Instead, the portafilter's spring holds it in place around the basket's smooth exterior.\u003c\/p\u003e\n\n\u003ch3\u003eHow many holes does the filter basket have?\u003c\/h3\u003e\n\n\u003cp\u003eThe basket has 715 precision-engineered holes with a diameter of 0.30 mm.\u003c\/p\u003e\n\n\u003ch3\u003eDoes the precision basket prevent channeling?\u003c\/h3\u003e\n\n\u003cp\u003eNot on its own. The uniform perforation provides a precise foundation, but grind size, dosage, distribution, and level tamping are still essential.\u003c\/p\u003e\n\n\u003ch3\u003eCan the basket be used in a spouted portafilter?\u003c\/h3\u003e\n\n\u003cp\u003eYes, provided the portafilter has sufficient diameter and depth for the basket's height and convex bottom. Compare the dimensions with your existing basket before purchasing.\u003c\/p\u003e\n\n\u003ch3\u003eAre a portafilter or tamper included?\u003c\/h3\u003e\n\n\u003cp\u003eNo. The product consists only of the IMS filter basket. A portafilter, tamper, and other espresso equipment are sold separately.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brændeholm Risteri","offers":[{"title":"Default Title","offer_id":54275443917143,"sku":null,"price":199.0,"currency_code":"DKK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/0705\/4167\/files\/IMSCompetitionPraecisionskurv58mmConvexH24_B702TCH24E.jpg?v=1786050306"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/0705\/4167\/collections\/IMS-2T1218gH27_5PrecisionFilter2.jpg?v=1786054749","url":"https:\/\/braendeholmristeri.dk\/en\/collections\/praecisionskurve-til-espresso.oembed","provider":"Brændeholm Risteri","version":"1.0","type":"link"}