{"product_id":"shimano-grx-fc-rx820-46t-12-speed-gravel-chainset-with-hollowtech-ii-technology","title":"Shimano GRX FC-RX820 46T 12-Speed Gravel Chainset with HollowTech II Technology","description":"\u003cp\u003eThe Shimano GRX FC-RX820 GRX chainset 46T is engineered specifically for gravel enthusiasts seeking a reliable and efficient drivetrain. Featuring HollowTech II technology, this 12-speed single chainset delivers optimal gearing for diverse terrains, ensuring smooth and quiet performance. Its anodized aluminium crank arms and lightweight chainring combine durability with reduced weight, enhancing your ride without compromising strength.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to seamlessly integrate with HollowTech II bottom bracket cups and compatible with 12-speed Hyperglide+ chains, this chainset offers precise shifting and long-lasting performance. The 4-arm design with a 110mm bolt circle diameter adds to its rugged yet refined construction, making it an essential component for serious gravel riders.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEffortless and quiet shifting across mixed terrain\u003c\/li\u003e\n  \u003cli\u003eLightweight yet durable construction for long rides\u003c\/li\u003e\n  \u003cli\u003eOptimized gearing tailored for gravel and adventure cycling\u003c\/li\u003e\n  \u003cli\u003eSeamless compatibility with Shimano GRX and related components\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 bottom brackets not compatible with HollowTech II\u003c\/li\u003e\n  \u003cli\u003eRiding styles requiring multi-chainring setups\u003c\/li\u003e\n  \u003cli\u003eNon-12-speed drivetrains or incompatible chains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this chainset compatible with my current Shimano GRX groupset?\u003c\/strong\u003e\u003cbr\u003eYes, the FC-RX820 is designed to work perfectly with Shimano GRX components, especially those supporting 12-speed drivetrains.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this chainset on a road bike?\u003c\/strong\u003e\u003cbr\u003eWhile optimized for gravel, it can be used on road bikes with compatible bottom brackets and drivetrains, but it’s specifically tailored for mixed and rough terrain.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Grey \/ 46 teeth \/ 165 mm","offer_id":47380186759343,"sku":"FCRX8201A6","price":223.77,"currency_code":"GBP","in_stock":true},{"title":"Grey \/ 46 teeth \/ 170 mm","offer_id":47380186857647,"sku":"FCRX8201C6","price":223.77,"currency_code":"GBP","in_stock":true},{"title":"Grey \/ 46 teeth \/ 172.5 mm","offer_id":47380186988719,"sku":"FCRX8201D6","price":223.77,"currency_code":"GBP","in_stock":true},{"title":"Grey \/ 46 teeth \/ 175 mm","offer_id":47380187087023,"sku":"FCRX8201E6","price":223.77,"currency_code":"GBP","in_stock":true},{"title":"Grey \/ 46 teeth \/ 160 mm","offer_id":47380187807919,"sku":"FCRX8201M6","price":223.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/fcrx820146.jpg?v=1787135262","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-fc-rx820-46t-12-speed-gravel-chainset-with-hollowtech-ii-technology","provider":"Swinnerton Cycles","version":"1.0","type":"link"}