{"product_id":"ceramicspeed-ospw-x-pulley-wheel-system-shimano-grx-rx-2x11-coated-races-alloy-pulley-carbon-cage-blk","title":"CeramicSpeed OSPW X Pulley Wheel System Shimano GRX\/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK","description":"\u003cdiv\u003e\n\u003cp\u003eWe’re a mission-driven bike shop based in Colorado. Every sale helps refurbish and donate bikes to those in need through Bicycles for Humanity Colorado.\u003c\/p\u003e\n\u003cp\u003eEach item has been professionally inspected, thoroughly cleaned, carefully refurbished, and is ready for immediate use.\u003c\/p\u003e \u003ch2\u003eCeramicSpeed OSPW X Pulley Wheel System Shimano GRX\/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK\u003c\/h2\u003e \u003cp\u003eUpgrade your drivetrain with precision-engineered pulleys that reduce friction and weight in the derailleur. This setup translates to smoother shifts, more efficient power transfer, and cleaner shifting under load during climbs and sprints. With less drag in the rear, you ride more confidently, regardless of terrain or weather.\u003c\/p\u003e \u003ch3\u003eWho is this for?\u003c\/h3\u003e \u003cp\u003eRiders who demand crisp, reliable shifting and maximum efficiency from every pedal stroke—especially those upgrading to an 11-speed GRX\/RX setup, or seeking to improve endurance rides and long-distance performance.\u003c\/p\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003especifications\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003edetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eCeramicSpeed OSPW X Pulley Wheel System\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCeramicSpeed\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eShimano GRX\/RX 2x11 (2X-specific GRX 810\/GRX 815 and RX800\/RX805 derailleurs)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eUpper sprocket\u003c\/td\u003e\n\u003ctd\u003e13-tooth\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eLower sprocket\u003c\/td\u003e\n\u003ctd\u003e19-tooth\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003ePulley wheels material\u003c\/td\u003e\n\u003ctd\u003eCerakote-coated aluminum\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBearings\u003c\/td\u003e\n\u003ctd\u003eGrade 3 Silicon Nitride balls with coated races\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eCage\u003c\/td\u003e\n\u003ctd\u003ePolyamide and carbon fiber for durability and light weight\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSpring tension settings\u003c\/td\u003e\n\u003ctd\u003eFour settings for custom setup\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eDrivetrain speeds\u003c\/td\u003e\n\u003ctd\u003e11-speed\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eCassette compatibility\u003c\/td\u003e\n\u003ctd\u003eUp to 11-36t\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eLargest cog\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eCeramicSpeed coated bearing products include a lifetime warranty\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e \u003cp\u003eEach item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!\u003c\/p\u003e \u003cbr\u003e \u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLargest Cog\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Model\u003c\/td\u003e\n\u003ctd\u003eUltegra RX 805\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Brand\u003c\/td\u003e\n\u003ctd\u003eShimano\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain Speeds\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefined Color\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ekeyword search\u003c\/td\u003e\n\u003ctd\u003eOSPWS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":46237773365388,"sku":"B-ZC2722","price":734.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9010\/0620\/files\/047b8f8150b9d33363d43cf551d2ccc4fbcec831.jpg?v=1770667264","url":"https:\/\/travelingground.com\/products\/ceramicspeed-ospw-x-pulley-wheel-system-shimano-grx-rx-2x11-coated-races-alloy-pulley-carbon-cage-blk","provider":"Traveling Ground","version":"1.0","type":"link"}