Rear Derailleur. SHIMANO SHADOW RD+. 11-speed. With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX810 rear derailleur is compatible with road cassettes with a 34T low sprocket max.
- Silent and uninterrupted rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slapping and drops
- Smooth and reliable mixed surface shifting
- Toggle clutch ON/OFF to match the terrain
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
