{"product_id":"shimano-grx-fc-rx820-grx-chainset-40t","title":"Shimano GRX FC-RX820 40T Gravel Chainset for 12-Speed Hyperglide+ Drivetrains","description":"\u003cp\u003eThe \u003cstrong\u003eShimano GRX FC-RX820 GRX chainset 40T\u003c\/strong\u003e is engineered specifically for gravel enthusiasts seeking a reliable and efficient drivetrain. Its gravel-focused design features optimized gearing that adapts seamlessly to varied terrains, ensuring smooth performance whether you're tackling rugged trails or mixed surfaces. Crafted with anodized aluminium crank arms and a lightweight aluminium chainring, this chainset combines durability with weight-saving benefits for enhanced riding enjoyment.\u003c\/p\u003e\n\n\u003cp\u003eBuilt to pair perfectly with HollowTech II bottom bracket cups and compatible with 12-speed Hyperglide\u0026amp;plus; chains, it guarantees precise shifting and a quiet, stable ride. The 4-arm design with a 110mm bolt circle diameter adds to its robust construction, making it an essential component for serious gravel riders aiming to upgrade their transmission system.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized for mixed terrains and gravel riding styles\u003c\/li\u003e\n  \u003cli\u003eReliable and quiet drivetrain performance\u003c\/li\u003e\n  \u003cli\u003eLightweight yet durable aluminium construction\u003c\/li\u003e\n  \u003cli\u003eCompatibility with HollowTech II bottom bracket and 12-speed Hyperglide\u0026amp;plus; chains\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 designed for single-speed or non-gravel specific setups\u003c\/li\u003e\n  \u003cli\u003eIncompatible with bottom brackets other than HollowTech II type\u003c\/li\u003e\n  \u003cli\u003eNot suitable for extremely heavy-duty downhill use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the FC-RX820 chainset compatible with all 12-speed drivetrains?\u003c\/strong\u003e\u003cbr\u003eIt is compatible specifically with 12-speed Hyperglide\u0026amp;plus; chains and designed for use with HollowTech II bottom bracket cups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this chainset on road bikes?\u003c\/strong\u003e\u003cbr\u003eWhile optimized for gravel, it may be used on road bikes with compatible components, but it excels on mixed and off-road terrains.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Grey \/ 40 teeth \/ 165 mm","offer_id":47380186595503,"sku":"FCRX8201A0","price":226.9,"currency_code":"GBP","in_stock":true},{"title":"Grey \/ 40 teeth \/ 160 mm","offer_id":47380187644079,"sku":"FCRX8201M0","price":226.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/fcrx820140_d3d59b92-1026-48e6-ba18-9e964bbe819c.jpg?v=1787135250","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-fc-rx820-grx-chainset-40t","provider":"Swinnerton Cycles","version":"1.0","type":"link"}