Shimano GRX RX815 Di2 2×11-Speed Derailleur

The Shimano GRX RX815 Di2 2×11 derailleur is designed to work with the 17 teeth 48-31T front chain ring. The Shimano Di2 derailleurs are easy to adjust with simple integrated controls.

Features:
– Use: Gravel
– Chain line +2.5 mm compared to FD conventional road
– 17T front range
– Better tyre separation
– Wider front ratio system