GRX Di2 FD-RX815

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GRX Di2 11 speed front derailleur Delivers quick and smooth front shifting even under high pedaling torque Chainline +2.5 mm vs. conventional road FD for added tire clearance, up t o 42mm 17T capacity offers wider gearing options like the 31/48T FC-RX810-2 crankset Programmed chain guide trim settings Can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes Top gear: 46T to 50T Specifications Chainline: 46.9mm Cable Pull: Di2 FD Capacity: 17T Chainstay Angle: 61-66 FD Mount Type: Braze-on Swing: Down FD Weight: 135g Max Chainring: 48T Primary Color: Grey Speed: 11 Special order - ships in 5-10 days from our distributor. Show more