{"product_id":"shimano-ultegra-fc-8100-12-speed-crankset-165-mm-double-12-speed-ckst2132-bicycle-crankset","title":"Shimano Ultegra R8100 12-Speed Crankset 52\/36t Hollowtech II 165mm","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Shimano Ultegra FC-R8100 crankset is designed for 12-speed road bikes, featuring a 165mm crank length and a 52\/36 tooth chainring combination. It uses Shimano's Hollowtech II spindle interface and 9\/16\" pedal spindle. The crankset has a 110 Shimano asymmetric chainring BCD and is compatible with 130mm hubs, offering a 44.5mm chainline and a 148mm Q-factor. Constructed for an optimal balance of stiffness, strength, weight, and rotational performance, it incorporates a Hollowglide structure to reduce weight while maintaining strength for efficient power transfer and precise front shifting. This crankset is black in color and does not include a bottom bracket.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 12-speed road drivetrains with a 52\/36 tooth chainring combination. \u003c\/li\u003e\n\u003cli\u003eCrank length of 165mm offers improved fit for smaller riders and specific biomechanic needs. \u003c\/li\u003e\n\u003cli\u003eFeatures Hollowtech II spindle interface with a 9\/16\" pedal spindle for efficient power transfer. \u003c\/li\u003e\n\u003cli\u003eConstructed with Hollowglide technology to reduce weight while maintaining strength and stiffness. \u003c\/li\u003e\n\u003cli\u003eCompatible with 130mm hubs and a 44.5mm chainline, optimized for Shimano road bike setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":42205553590339,"sku":"CKST2132","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CK0647.jpg?v=1773404871","url":"https:\/\/tecopecosafe.com\/products\/shimano-ultegra-fc-8100-12-speed-crankset-165-mm-double-12-speed-ckst2132-bicycle-crankset","provider":"365 Cycles","version":"1.0","type":"link"}