{"product_id":"spannring-51mm","title":"Retaining Ring 51mm: Replacement Part for KM Portafilter Head Delonghi","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecise Fit (51mm):\u003c\/b\u003e Custom-designed for the \u003cstrong\u003eKM portafilter heads\u003c\/strong\u003e (bottomless and with dual spout) for DeLonghi machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSecure Hold for the Filter Basket:\u003c\/b\u003e The ring provides the necessary clamping tension in the portafilter to keep the filter basket from falling out when knocking out the coffee grounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust Spring Steel:\u003c\/b\u003e Resistant to moisture, heat, and continuous mechanical stress from installation and removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuick Replacement:\u003c\/b\u003e Can be inserted into the inner groove of the portafilter head in seconds without special tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhen Should You Replace the Retaining Ring?\u003c\/h2\u003e\n\u003cp\u003eThere are two typical scenarios for this replacement purchase:\u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThe Classic During Cleaning:\u003c\/b\u003e You removed the filter basket for thorough cleaning, rinsed out the portafilter, and the ring has disappeared.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLoss of Tension:\u003c\/b\u003e If you frequently install and remove your filter basket, the steel can gradually fatigue over time. You'll notice this when the filter basket flies out together with the coffee puck when tapping against the knock box (\u003cstrong\u003eKnockbox\u003c\/strong\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eCompatibility: Does This Retaining Ring Fit Your Portafilter?\u003c\/h2\u003e\n\u003cp\u003eThis retaining ring was developed as a direct replacement part for the following products in our range:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eKM Portafilter Head Bottomless\u003c\/b\u003e (51mm, compatible with DeLonghi Dedica etc.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eKM Portafilter Head with Dual Spout\u003c\/b\u003e (51mm, compatible with DeLonghi Dedica etc.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eImportant Note About Third-Party Manufacturers:\u003c\/b\u003e Although the ring has a nominal diameter of 51mm, the depth and shape of the retaining groove on original DeLonghi portafilters or accessories from other brands are often slightly different. We can therefore guarantee precise fit and function only for our own \u003cstrong\u003eKM portafilter heads\u003c\/strong\u003e.\u003c\/p\u003e","brand":"PNT","offers":[{"title":"Default Title","offer_id":52919458431240,"sku":"Spannring51","price":3.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0406\/3343\/4269\/files\/kaffeemacher-spannfeder-51-mm-hauptbild_1.webp?v=1784550963","url":"https:\/\/kaffeemacher.de\/en\/products\/tension-ring-51mm","provider":"Kaffeemacher.de","version":"1.0","type":"link"}