{"product_id":"shimano-grx-fd-rx825-di2-front-derailleur-2x12-speed-braze-on-down-swing-for-46-48t-max-blk-silver","title":"Shimano GRX FD-RX825 Di2 2x12-Speed Braze-On Front Derailleur","description":"\u003cp\u003eThe Shimano GRX FD-RX825 is a \u003cstrong\u003e12-speed Di2 front derailleur for gravel double drivetrains\u003c\/strong\u003e. It delivers quick, precise front shifts under heavy loads.\u003c\/p\u003e\n\u003cp\u003eA \u003cstrong\u003e+2.5mm chainline\u003c\/strong\u003e versus conventional road front derailleurs creates room for wider tires, and a \u003cstrong\u003e17t front range\u003c\/strong\u003e supports wider gearing. It works with Full and Semi-Synchronized shift modes and Shimano's Front Shift Next function.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGravel riders on GRX RX825 Di2 2x12.\u003c\/li\u003e\n\u003cli\u003eRiders who want Di2 synchronized shifting on a gravel bike.\u003c\/li\u003e\n\u003cli\u003eNot for road 12-speed Di2 cranks or 1x setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat to Look For\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifting:\u003c\/strong\u003e Shimano Di2 12-speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainrings:\u003c\/strong\u003e GRX outer ring 46-48t; 17t maximum difference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank:\u003c\/strong\u003e Requires the GRX +2.5mm chainline.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWider chainline.\u003c\/strong\u003e +2.5mm outboard creates clearance for wider gravel tires.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e17t range.\u003c\/strong\u003e Supports a larger gap between rings than road front derailleurs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShift modes.\u003c\/strong\u003e Full Synchronized, Semi-Synchronized and Front Shift Next for rider customization.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eRider Intent Summary\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiggest strengths:\u003c\/strong\u003e Di2 gravel front shifting with tire clearance and a 17t range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTradeoffs:\u003c\/strong\u003e Requires GRX chainline cranks; 46-48t outer max.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes it different:\u003c\/strong\u003e The Di2 front derailleur built specifically for GRX gravel doubles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eVictory's Take\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eWe set up GRX Di2 on gravel builds where tire clearance and range both matter. Victory Bicycle Studio can confirm your crank and chainrings before you order.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Shimano\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GRX FD-RX825 Di2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain speeds:\u003c\/strong\u003e 2x12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter chainring:\u003c\/strong\u003e 46-48t\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal capacity:\u003c\/strong\u003e 17t\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainline:\u003c\/strong\u003e +2.5mm vs. road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Braze-on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuation:\u003c\/strong\u003e Electronic (Di2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\/Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e IFDRX825F\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":53537662337331,"sku":"IFDRX825F","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3685\/0739\/files\/2c98f386c67a091f34a4662acb8450fd720f1b64.jpg?v=1782251796","url":"https:\/\/victorybicyclestudio.com\/products\/shimano-grx-fd-rx825-di2-front-derailleur-2x12-speed-braze-on-down-swing-for-46-48t-max-blk-silver","provider":"Victory Bicycle Studio","version":"1.0","type":"link"}