{"product_id":"shimano-grx-di2-fd-rx815-2x11-speed-front-derailleur","title":"SHIMANO GRX Di2 FD-RX815 2x11-SPEED FRONT DERAILLEUR","description":"\u003ch3\u003eMatching the Shimano GRX cranksets, the GRX Di2 FD-RX815 2 x 11-speed front derailleur is engineered with a 2.5 mm wider chain line compared to conventional road derailleurs.\u003c\/h3\u003e\n\u003cp\u003eThis extended chain line geometry accommodates tyre widths up to 42 mm, making it ideal for rough terrain riding. The derailleur delivers wider range front gearing and enhanced tyre clearance, supporting gravel, cyclocross, and mixed-surface adventures. Built from aluminium, steel, and carbon fibre, it weighs just 131g and features electronic shifting via Shimano's Di2 system with E-Tube firmware updates. Brazed-on mounting, down-pull cable routing, and compatibility with HG-EV and HG-X11 11-speed chains complete this versatile component.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChainline +2.5mm vs. conventional road FD\u003c\/li\u003e\n\u003cli\u003eWider tire clearance\u003c\/li\u003e\n\u003cli\u003eWider range front gearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse: \u003c\/strong\u003eGravel, Road, Cyclocross\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup:\u003c\/strong\u003e GRX Di2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel: \u003c\/strong\u003eFD-RX815-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Brazed-on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable route type:\u003c\/strong\u003e Down-Pull\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear front:\u003c\/strong\u003e 2-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear rear:\u003c\/strong\u003e 11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop gear teeth:\u003c\/strong\u003e 46-50T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal capacity: \u003c\/strong\u003e17T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chain:\u003c\/strong\u003e HG-EV 11-speed, HG-X11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain stay angle:\u003c\/strong\u003e 61-66°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain line:\u003c\/strong\u003e 46mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaster unit:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware update by E-Tube Project:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-Tube port:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE-Tube connector:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAluminium\u003c\/li\u003e\n\u003cli\u003eSteel\u003c\/li\u003e\n\u003cli\u003eCFRP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColour\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWeight\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e131g \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eContents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Shimano GRX Di2 FD-RX815 2x11-Speed Front Derailleur Braze On\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":57024482345335,"sku":"FDRX815F","price":169.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2350\/2370\/files\/ShimanoGRXDi2FD-RX8152x11-SpeedFrontDerailleurBrazeOn.avif?v=1776696574","url":"https:\/\/www.allterraincycles.co.uk\/products\/shimano-grx-di2-fd-rx815-2x11-speed-front-derailleur","provider":"allterraincycles","version":"1.0","type":"link"}