Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe 11-40: 11-13-15-17-19-21-24-27-31-35-40T

11-40: 11-13-15-17-19-21-24-27-31-35-40T

T20 and T25

It makes pedaling more efficient with a wide variety of shoe and pedal styles and the recess cleat makes walking more comfortable

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

Hardened steel for maximum stability

Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe 11-40: 11-13-15-17-19-21-24-27-31-35-40TThe 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