Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe Hardened steel for maximum stability

Hardened steel for maximum stability

The Cobra9 SemiPro has been designed for further customisation by bike fitters

with the exit of warm air from within a key priority

Bontrager™ (with adapter)

T20 and T25

Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe Hardened steel for maximum stabilityThe 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