Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe The Dura-Ace PD-R9100 pedals provide

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

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)

Over 10 years of aero product development with a focus on real-world performance has led us to tire development

Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe The Dura-Ace PD-R9100 pedals provideThe 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