The Shimano GRX RD-RX810 rear derailleur is designed for 2x11 gravel drivetrains, compatible with road cassettes up to a 34T low sprocket.
- 11sp compatible with 11-30T, 11-32T or 11-34T cassettes
- SHIMANO SHADOW RD+ integrated chain stabilizer with ON/OFF switch
- Gravel-tuned clutch tension for secure chain management on rough terrain
- Compatible with current SHIMANO road DUAL CONTROL levers
- Maximum front difference: 17T | Total capacity: 40T

