{"product_id":"shimano-ultegra-fc-r8100-crankset-12-speed-52-36t-hollowtech-ii-spindle-interface-blk","title":"Shimano Ultegra FC-R8100 Crankset - 12-Speed 52\/36t Hollowtech II Spindle Interface 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\u003eShimano Ultegra FC-R8100 Crankset - 12-Speed 52\/36t Hollowtech II Spin\u003c\/h2\u003e \u003cp\u003eWith front shifting reliability as the foundation of a fast, smooth ride, this crankset translates watts into real-world acceleration. The Hollowtech II design balances stiffness and light weight, so you climb with less effort and descend with confident cadence. In short, it makes your 12-speed setup feel immediate, precise, and race-ready wherever you ride.\u003c\/p\u003e \u003ch3\u003eWho is this for?\u003c\/h3\u003e\n\u003cp\u003eRoad cyclists and triathletes who demand crisp front shifts, efficient power transfer, and a durable upgrade path within a 12-speed Shimano groupset.\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\u003eCrank Intended Use\u003c\/td\u003e\n\u003ctd\u003eRoad\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eDrivetrain Speeds\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eNumber of Chainrings\u003c\/td\u003e\n\u003ctd\u003eDouble\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eSpindle Interface Type\u003c\/td\u003e\n\u003ctd\u003eShimano Hollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eChainring BCD\u003c\/td\u003e\n\u003ctd\u003e110 Shimano Asymmetric\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eChainline\/Hub Compatibility\u003c\/td\u003e\n\u003ctd\u003e130 Hubs\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003ePedal Spindle\u003c\/td\u003e\n\u003ctd\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eBB Included\u003c\/td\u003e\n\u003ctd\u003eNo\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 \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eCrank Intended Use\u003c\/td\u003e \u003ctd\u003eRoad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDrivetrain Speeds\u003c\/td\u003e \u003ctd\u003e12\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNumber of Chainrings\u003c\/td\u003e \u003ctd\u003eDouble\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSpindle Interface Type\u003c\/td\u003e \u003ctd\u003eShimano Hollowtech II\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eChainring BCD\u003c\/td\u003e \u003ctd\u003e110 Shimano Asymmetric\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eChainline\/Hub Compatibility\u003c\/td\u003e \u003ctd\u003e130 Hubs\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePedal Spindle\u003c\/td\u003e \u003ctd\u003e9\/16\"\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBB Included\u003c\/td\u003e \u003ctd\u003eNo\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"172.5mm 52\/36t Hollowtech Ii Spindle Interface Blk","offer_id":46416034431116,"sku":"CK0651","price":365.0,"currency_code":"USD","in_stock":true},{"title":"160mm 52\/36t","offer_id":46416034463884,"sku":"CK0655","price":365.0,"currency_code":"USD","in_stock":true},{"title":"170mm 50\/34t","offer_id":46416034496652,"sku":"CK0648","price":365.0,"currency_code":"USD","in_stock":true},{"title":"160mm 50\/34t","offer_id":46416034529420,"sku":"CK0654","price":365.0,"currency_code":"USD","in_stock":true},{"title":"170mm 52\/36t","offer_id":46416034562188,"sku":"CK0649","price":365.0,"currency_code":"USD","in_stock":true},{"title":"172.5mm 50\/34t","offer_id":46416034594956,"sku":"CK0650","price":365.0,"currency_code":"USD","in_stock":true},{"title":"175mm 50\/34t","offer_id":46416034627724,"sku":"CK0652","price":365.0,"currency_code":"USD","in_stock":true},{"title":"165mm 50\/34t","offer_id":46416034660492,"sku":"CK0646","price":365.0,"currency_code":"USD","in_stock":true},{"title":"175mm 52\/36t","offer_id":46416034693260,"sku":"CK0653","price":365.0,"currency_code":"USD","in_stock":true},{"title":"165mm 52\/36t","offer_id":46416034726028,"sku":"CK0647","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9010\/0620\/files\/f93260c70f539e851956fa9585d72ecf78eb9960_f85091ad-aa1e-40b3-84dc-f523ecc55e53.jpg?v=1772041243","url":"https:\/\/travelingground.com\/products\/shimano-ultegra-fc-r8100-crankset-12-speed-52-36t-hollowtech-ii-spindle-interface-blk","provider":"Traveling Ground","version":"1.0","type":"link"}