{"product_id":"shimano-fc-s501-alfine-2-piece-chainset-with-single-chain-guard-170mm-crank-arm","title":"Shimano FC-S501 Alfine 2-Piece Chainset with Single Chain Guard 170mm Crank Arm","description":"\u003cp\u003eThe Shimano FC-S501 Alfine chain ring offers exceptional performance with its lightweight, sleek 2-piece design. Engineered for durability and efficient power transfer, this component features a built-in single-sided chain guard that protects your chain during rides. With a 170 mm crank arm length and compatibility with 9-speed chains, it ensures smooth and reliable transmission on your bike.\u003c\/p\u003e\n\n\u003cp\u003eDesigned specifically for use with the CS-S500 rear sprocket, the chainset includes a BS thread bottom bracket optimized for a 42.7 mm chain line. Its 5-arm 130 PCD construction combines strength and precision, making it an ideal choice for MTB enthusiasts seeking quality and functionality.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight and stiff design for enhanced power transfer\u003c\/li\u003e\n  \u003cli\u003eCompatibility with 9-speed chains and CS-S500 sprocket\u003c\/li\u003e\n  \u003cli\u003eBuilt-in single-sided chain guard for chain protection\u003c\/li\u003e\n  \u003cli\u003eOptimized 42.7 mm chain line with included bottom bracket\u003c\/li\u003e\n  \u003cli\u003eDurable 5-arm 130 PCD construction\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 suitable for chains with speeds other than 9-speed\u003c\/li\u003e\n  \u003cli\u003eNot compatible with rear sprockets other than CS-S500\u003c\/li\u003e\n  \u003cli\u003eUnsuitable for crank arms with lengths other than 170 mm\u003c\/li\u003e\n  \u003cli\u003eNot designed for single-piece crankset systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the chainring compatible with other Shimano Alfine components?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to work seamlessly with Shimano Alfine systems, including the CS-S500 rear sprocket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this chainring on a bike with a different bottom bracket?\u003c\/strong\u003e\u003cbr\u003eThis chainset includes a BS thread bottom bracket optimized for a 42.7 mm chain line, so compatibility depends on your bike's specifications.\u003c\/p\u003e","brand":"Shimano Alfine","offers":[{"title":"45t \/ Black","offer_id":45809463853231,"sku":"FCS501C45L","price":132.97,"currency_code":"GBP","in_stock":true},{"title":"42t \/ Black","offer_id":45809463885999,"sku":"FCS501C42L","price":132.97,"currency_code":"GBP","in_stock":true},{"title":"39t \/ Black","offer_id":45809463918767,"sku":"FCS501C39L","price":132.97,"currency_code":"GBP","in_stock":true},{"title":"42t \/ Silver","offer_id":45809463951535,"sku":"FCS501C42S","price":132.97,"currency_code":"GBP","in_stock":true},{"title":"39t \/ Silver","offer_id":45809463984303,"sku":"FCS501C39S","price":132.97,"currency_code":"GBP","in_stock":true},{"title":"45t \/ Silver","offer_id":45809464017071,"sku":"FCS501C45S","price":132.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/fcs501c39l.jpg?v=1768530711","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-fc-s501-alfine-2-piece-chainset-with-single-chain-guard-170mm-crank-arm","provider":"Swinnerton Cycles","version":"1.0","type":"link"}