{"product_id":"shimano-ultegra-fc-r8100-crankset-165mm-12-speed-50-34t-hollowtech-ii-spindle-interface-black","title":"Shimano Ultegra FC-R8100 Crankset - 165mm, 12-Speed, 50\/34t, Hollowtech II Spindle Interface, Black","description":"\u003cp\u003eAn 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptimal balance of stiffness, strength, weight and rotational performance\u003c\/li\u003e\n\u003cli\u003eHollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBB Included: No\u003c\/li\u003e\n\u003cli\u003eChainline\/Hub Compatibility: 130 Hubs\u003c\/li\u003e\n\u003cli\u003eChainring BCD: 110 Shimano Asymmetric\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eCrank Intended Use: Road\u003c\/li\u003e\n\u003cli\u003eCrank Length (mm): 165\u003c\/li\u003e\n\u003cli\u003eDefined Color: Black\u003c\/li\u003e\n\u003cli\u003eDrivetrain Speeds: 12\u003c\/li\u003e\n\u003cli\u003eNumber of Chainrings: Double\u003c\/li\u003e\n\u003cli\u003ePedal Spindle: 9\/16\"\u003c\/li\u003e\n\u003cli\u003eRings: 50\/34\u003c\/li\u003e\n\u003cli\u003eSpindle Interface Type: Shimano Hollowtech II\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":39723191009335,"sku":"IFCR8100AX04","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/2046\/products\/CK0647_5ab88b19-dc1f-4365-ab7f-89f904b6ff74.jpg?v=1708253296","url":"https:\/\/www.probikesupply.com\/products\/shimano-ultegra-fc-r8100-crankset-165mm-12-speed-50-34t-hollowtech-ii-spindle-interface-black","provider":"Pro Bike Supply","version":"1.0","type":"link"}