{"product_id":"shimano-grx-fd-rx820-12-speed-double-front-derailleur-down-pull-braze-on-mech","title":"Shimano GRX FD-RX820 12-Speed Double Front Derailleur Down Pull Braze-On Mech","description":"\u003cp\u003eThe Shimano GRX FD-RX820 front derailleur is designed specifically for gravel enthusiasts seeking reliable and precise shifting on diverse terrains. Featuring a 12-speed double setup with down pull and braze-on mounting, it offers smooth, stable performance that stands up to rugged conditions. Its gravel-specific ergonomics and optimized gearing options make it an essential upgrade for any rider looking to enhance drivetrain efficiency.\u003c\/p\u003e\n\n\u003cp\u003eThis front mech provides wider tyre clearance thanks to a 2.5 mm longer chainline compared to traditional road derailleurs, accommodating larger tires without compromising speed or control. Compatible with 12-speed Hyperglide+ chains and supporting a wide 17T capacity range for 46-50T chainrings, it ensures optimal versatility for double chainset configurations.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise and fast shifting in gravel and mixed terrain riding\u003c\/li\u003e\n  \u003cli\u003eEnhanced tire clearance for larger gravel tires\u003c\/li\u003e\n  \u003cli\u003eCompatibility with 12-speed Hyperglide+ drivetrains for smooth operation\u003c\/li\u003e\n  \u003cli\u003eDurable construction for long-lasting performance in rough conditions\u003c\/li\u003e\n  \u003cli\u003eEasy installation with braze-on mount, adaptable with seat tube adapters\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 single chainring setups\u003c\/li\u003e\n  \u003cli\u003eBikes without braze-on mounts without additional adapters\u003c\/li\u003e\n  \u003cli\u003eCompatibility with drivetrains below 12-speed\u003c\/li\u003e\n  \u003cli\u003eRiding styles that don’t require wide tire clearance or rugged durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this front derailleur compatible with all gravel bikes?\u003c\/strong\u003e\u003cbr\u003eIt fits most gravel bikes with braze-on mounts, and for others, seat tube adapters (SM-AD91) are available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with a 1x drivetrain?\u003c\/strong\u003e\u003cbr\u003eNo, it is designed specifically for double chainset configurations only.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Default Title","offer_id":45478565675183,"sku":"FDRX820F","price":53.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1693559025-30107300.jpg?v=1768522785","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-fd-rx820-12-speed-double-front-derailleur-down-pull-braze-on-mech","provider":"Swinnerton Cycles","version":"1.0","type":"link"}