Compatible with:

Soft and tacky elastomeric surface layer

this new iteration builds on these principles while fitting more bikes and providing refined adjustability for the rider

R-Shield Puncture Protection ensures a high level of puncture protection

which means more consistent chain riveting and greater overall strength

Shimano GRX DI2 FD-RX815-F Braze-ON 2x11 Front Derailleur 17T Compatio_Enriched Compatible with:SHIMANO GRX DI2 Front Derailleur Gravel 2x11 speed The 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. Wider tire clearance Chainline +2. 5 mm vs. conventional road FD Wider range front gearing 17T front range