{"product_id":"shimano-ultegra-fc-r8100-crankset-12-speed-hollowtech-ii-spindle-interface-blk","title":"Shimano Ultegra FC-R8100 Crankset - 12-Speed Hollowtech II Spindle Interface BLK","description":"An integral part of the Shimano Ultegra 12-speed road lineup the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting the Ultegra crank is now offered in a wide variety of lengths bringing performance and improved fit for smaller riders triathletes and riders with specific biomechanic requirements.\u003cli\u003eOptimal balance of stiffness strength weight and rotational performance\u003c\/li\u003e\u003cli\u003eHollowglide structure cuts weight yet maintains strength for better power transfer and quicker more precise front shifting\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRings\u003c\/td\u003e\n\u003ctd\u003e50\/34, 52\/36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Chainrings\u003c\/td\u003e\n\u003ctd\u003eDouble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Length (mm)\u003c\/td\u003e\n\u003ctd\u003e160, 165, 170, 172.5, 175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank Intended Use\u003c\/td\u003e\n\u003ctd\u003eRoad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain Speeds\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePedal Spindle\u003c\/td\u003e\n\u003ctd\u003e9\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle Interface Type\u003c\/td\u003e\n\u003ctd\u003eShimano Hollowtech II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainring BCD\u003c\/td\u003e\n\u003ctd\u003e110 Shimano Asymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainline\/Hub Compatibility\u003c\/td\u003e\n\u003ctd\u003e130 Hubs\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e","brand":"Shimano","offers":[{"title":"165Mm \/ 50\/34T","offer_id":51759727640885,"sku":"IFCR8100AX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"165Mm \/ 52\/36T","offer_id":51759727673653,"sku":"IFCR8100AX26","price":365.0,"currency_code":"USD","in_stock":false},{"title":"170Mm \/ 50\/34T","offer_id":51759727706421,"sku":"IFCR8100CX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"170Mm \/ 52\/36T","offer_id":51759727739189,"sku":"IFCR8100CX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"172.5Mm \/ 50\/34T","offer_id":51759727771957,"sku":"IFCR8100DX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"172.5Mm \/ 52\/36T","offer_id":51759727804725,"sku":"IFCR8100DX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"175Mm \/ 50\/34T","offer_id":51759727837493,"sku":"IFCR8100EX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"175Mm \/ 52\/36T","offer_id":51759727870261,"sku":"IFCR8100EX26","price":365.0,"currency_code":"USD","in_stock":true},{"title":"160Mm \/ 50\/34T","offer_id":51759727903029,"sku":"IFCR8100MX04","price":365.0,"currency_code":"USD","in_stock":true},{"title":"160Mm \/ 52\/36T","offer_id":51759727935797,"sku":"IFCR8100MX26","price":365.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/0737\/5669\/files\/CK0647.jpg?v=1763745282","url":"https:\/\/ridebicycles.com\/products\/shimano-ultegra-fc-r8100-crankset-12-speed-hollowtech-ii-spindle-interface-blk","provider":"Ride Bicycles","version":"1.0","type":"link"}