{"product_id":"shimano-105-fc-r7100-left-crank-arm-unit-170mm-for-12-speed-drivetrains","title":"Shimano 105 FC-R7100 Left Crank Arm Unit 170mm for 12-Speed Drivetrains","description":"\u003cp\u003eThe Shimano 105 FC-R7100 left hand crank arm unit, 170 mm, offers precise shifting and reliable performance. Designed for 12-speed drivetrains, it ensures smooth power transfer and durability. A genuine Shimano replacement part, it fits various crank sizes for tailored comfort.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing drivetrain efficiency with smooth shifting\u003c\/li\u003e\n  \u003cli\u003eReplacing worn or damaged left crank arms quickly\u003c\/li\u003e\n  \u003cli\u003eCompatibility with Shimano 105 12-speed cranksets\u003c\/li\u003e\n  \u003cli\u003eAdjusting crank length for optimal pedaling comfort\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNot compatible with non-Shimano cranksets\u003c\/li\u003e\n  \u003cli\u003eNot intended for use with single-speed bikes\u003c\/li\u003e\n  \u003cli\u003eNot suitable if crank arm length outside available sizes is needed\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 other Shimano groupsets?\u003c\/strong\u003e\u003cbr\u003eIt's designed specifically for Shimano 105 12-speed FC-R7100 cranksets to ensure optimal fit and function.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I choose different crank arm lengths?\u003c\/strong\u003e\u003cbr\u003eYes, sizes of 160mm, 165mm, 170mm, 172.5mm, and 175mm are available to match your preference.\u003c\/p\u003e","brand":"Shimano 105","offers":[{"title":"Default Title","offer_id":45478530908335,"sku":"Y0RS98040","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1680879417-37047900.jpg?v=1768523057","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-105-fc-r7100-left-crank-arm-unit-170mm-for-12-speed-drivetrains","provider":"Swinnerton Cycles","version":"1.0","type":"link"}