{"product_id":"shimano-ultegra-fc-r8100-crankset-170mm-12-speed-52-36t-hollowtech-ii-spindle-interface-black","title":"Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 52\/36t, 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\n\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\u003cli\u003e148mm Q-factor\u003c\/li\u003e\n\u003cli\u003e44.5mm chainline\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":48318280827120,"sku":"CK0649","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/3592\/3952\/files\/H3609_CK0647_1b71993d-ecc8-43c9-9d0f-f9d2c4e2fe91.jpg?v=1780807627","url":"https:\/\/coloradocyclist.com\/products\/shimano-ultegra-fc-r8100-crankset-170mm-12-speed-52-36t-hollowtech-ii-spindle-interface-black","provider":"Colorado Cyclist","version":"1.0","type":"link"}