Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe Durability was crucial

Durability was crucial

or a gel nearby and secure at all times

0 is designed using a unique carbon composite

2 Phillips Head and 2 Flat head Drivers

Formulated for active people with active lifestyles who want comfort and protection with a proven and authentic all natural product

Shimano GRX Di2 Front Derailleur (FD-RX815) Groupe Durability was crucialThe 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