{"product_id":"shimano-fc-7900-dura-ace-175-53-39t-10-speed-w-o-bb","title":"Shimano Fc-7900 Dura-ace 175 53\/39t 10-speed W\/o Bb","description":"\u003cp\u003eThe sleek, aerodynamic Dura-Ace Hollowtech II crankset features significant weight savings and increased rigidity through the use of a 20% stiffer chainring, resulting in optimal shifting \u0026amp; power transfer at a feathery 674g. Bottom bracket not included.\u003cbr\u003e\u003cbr\u003eHollow forged outer chainring reduces flex for more responsive shifting and better power transfer\u003cbr\u003ePrecisely machined chainrings allow for better shifting under load\u003cbr\u003eWide set bottom bracket bearings, two-piece design and hollow forged arms for maximum stiffness to weight ratio\u003cbr\u003eCompatible with 10 speed chains\u003cbr\u003eShimano Reference Number: FC-7900\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":44972725305414,"sku":"CR4603","price":659.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0328\/7110\/files\/cr4601.jpg?v=1778091302","url":"https:\/\/bicyclehero.com\/products\/shimano-fc-7900-dura-ace-175-53-39t-10-speed-w-o-bb","provider":"BicycleHero","version":"1.0","type":"link"}