Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe The eeBrake G4 is the

The eeBrake G4 is the fourth generation of the legendary eeBrake featuring 100% CNC machined parts

Hardened steel for maximum stability

The Dura-Ace PD-R9100 pedals provide the perfect balance of low weight and high rigidity

T20 and T25

Interior - Hi-contrast red material with separate ID

Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe The eeBrake G4 is theThe SHIMANO GRX RX815 DI2 front derailleur delivers quick and smooth front shifting even under high pedaling torque. It's designed for a wider, 17T front range and it has programmed chain guide trim settings and can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes. Specifications Wider tire clearance Chainline +2. 5 mm vs. conventional road FD Wider range front gearing 17T front range Mfr Claimed Weight TBC