Shimano GRX Di2 Front Derailleur (FD-RX815) Size:Braze-on The compact form of the

The compact form of the pump

Fits Campagnolo

It easily adapts to rim internal profiles and

8mm bars (mount suits 35mm bars)

Shimano GRX Di2 Front Derailleur (FD-RX815) Size:Braze-on The compact form of 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