{"product_id":"shimano-ultegra-fc-r8100-p-left-hand-crank-arm-unit-160mm-for-road-bikes","title":"Shimano Ultegra FC-R8100-P Left Hand Crank Arm Unit 160mm for Road Bikes","description":"\u003cp\u003eUpgrade your bike with the Shimano Ultegra FC-R8100-P left hand crank arm unit, designed for precision and durability. At 160 mm, it ensures optimal leg positioning for efficient power transfer.\u003c\/p\u003e\n\n\u003cp\u003eCrafted as a genuine Shimano component, this crank arm guarantees perfect compatibility and reliable performance with your existing transmission system. Ideal for maintaining or enhancing your bike’s drivetrain.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacing worn or damaged left crank arms\u003c\/li\u003e\n  \u003cli\u003eEnhancing pedaling efficiency and comfort\u003c\/li\u003e\n  \u003cli\u003eMaintaining seamless integration with Shimano Ultegra groupsets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with non-Shimano cranksets\u003c\/li\u003e\n  \u003cli\u003eApplications requiring crank arms other than 160 mm length\u003c\/li\u003e\n  \u003cli\u003eComplete crankset replacement (only left arm included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this crank arm compatible with all Shimano Ultegra models?\u003c\/strong\u003e\u003cbr\u003eIt is specifically designed for the FC-R8100 series and ensures perfect fit and performance within that range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this as an upgrade to a different crank arm length?\u003c\/strong\u003e\u003cbr\u003eThis unit is fixed at 160 mm; for other lengths, select the appropriate model to suit your needs.\u003c\/p\u003e","brand":"Shimano Ultegra","offers":[{"title":"Default Title","offer_id":45478530023599,"sku":"Y0PW98010","price":499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1680879419-37331600.jpg?v=1768523056","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-ultegra-fc-r8100-p-left-hand-crank-arm-unit-160mm-for-road-bikes","provider":"Swinnerton Cycles","version":"1.0","type":"link"}