{"product_id":"shimano-grx-fc-rx820-grx-chainset-42t","title":"Shimano GRX FC-RX820 42T Gravel Bike Chainset HollowTech II 12-Speed Compatible","description":"\u003cp\u003eThe Shimano GRX FC-RX820 chainset 42T is engineered specifically for gravel enthusiasts seeking precision and durability. Featuring a HollowTech II 12-speed single chainset, it delivers optimal gearing suited for diverse terrains and varied riding styles. Its anodized aluminium crank arms and lightweight aluminium chainring ensure strength without adding unnecessary weight, making it ideal for long rides and rugged conditions.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to seamlessly integrate with HollowTech II bottom bracket cups and compatible with 12-speed Hyperglide\u0026amp;plus; chains, this chainset offers a smooth, quiet, and stable drivetrain experience. The 4-arm, 110mm bolt circle diameter enhances compatibility with a range of setups, making it a versatile choice for upgrading your gravel bike components.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding optimized gearing for mixed terrains and riding styles\u003c\/li\u003e\n  \u003cli\u003eEnsuring quiet and stable drivetrain performance\u003c\/li\u003e\n  \u003cli\u003eLightweight yet durable construction for long-distance rides\u003c\/li\u003e\n  \u003cli\u003eCompatibility with HollowTech II bottom bracket systems and 12-speed 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\u003eUse with non-HollowTech II bottom bracket cups\u003c\/li\u003e\n  \u003cli\u003eCompatibility with chains outside the 12-speed Hyperglide\u0026amp;plus; standard\u003c\/li\u003e\n  \u003cli\u003eApplications requiring double or triple chainring setups\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 all gravel bikes?\u003c\/strong\u003e\u003cbr\u003eThis chainset is compatible with gravel bikes that use HollowTech II bottom bracket cups and 12-speed Hyperglide\u0026amp;plus; chains.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this chainset for road cycling?\u003c\/strong\u003e\u003cbr\u003eWhile designed for gravel, the optimized gearing makes it suitable for mixed terrain, including some road cycling, but it may not be ideal for pure road racing setups.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Grey \/ 42 teeth \/ 165 mm","offer_id":47380186628271,"sku":"FCRX8201A2","price":226.9,"currency_code":"GBP","in_stock":true},{"title":"Grey \/ 42 teeth \/ 160 mm","offer_id":47380187676847,"sku":"FCRX8201M2","price":226.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/fcrx820142_e3e975e3-8230-4311-b66b-027bf78484e4.jpg?v=1787135251","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-fc-rx820-grx-chainset-42t","provider":"Swinnerton Cycles","version":"1.0","type":"link"}