{"product_id":"shimano-cs-m5100-21t-n-cassette-sprocket-replacement-for-mtb-drivetrains","title":"Shimano CS-M5100 21T N Cassette Sprocket Replacement for MTB Drivetrains","description":"\u003cp\u003eThe Shimano CS-M5100 cassette sprocket, 21T N, is a genuine replacement part designed for reliable performance and durability. Crafted by Shimano, this component ensures smooth gear transitions and optimal transmission efficiency.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for maintaining or upgrading your bike’s drivetrain, it fits seamlessly with compatible Shimano systems, offering precise shifting and longevity.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacing worn or damaged cassette sprockets\u003c\/li\u003e\n  \u003cli\u003eEnsuring smooth and accurate gear changes\u003c\/li\u003e\n  \u003cli\u003eMaintaining optimal bike transmission performance\u003c\/li\u003e\n  \u003cli\u003eCompatible with Shimano MTB drivetrains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-Shimano transmission systems\u003c\/li\u003e\n  \u003cli\u003eUse outside of specified gear range compatibility\u003c\/li\u003e\n  \u003cli\u003eApplications requiring sprockets other than 21T N\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sprocket compatible with all Shimano cassettes?\u003c\/strong\u003e\u003cbr\u003eThis 21T N sprocket is compatible with Shimano CS-M5100 series and similar models designed for 21T.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install this sprocket myself?\u003c\/strong\u003e\u003cbr\u003eYes, with proper tools and knowledge, you can replace the sprocket; otherwise, professional installation is recommended.\u003c\/p\u003e","brand":"Shimano Spares","offers":[{"title":"Default Title","offer_id":45478455836847,"sku":"Y0LC21000","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1740080015-26178100.jpg?v=1768521809","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-cs-m5100-21t-n-cassette-sprocket-replacement-for-mtb-drivetrains","provider":"Swinnerton Cycles","version":"1.0","type":"link"}