With an integrated chain stabilizer, Shimano GRX RD-RX822 12-speed rear derailleurs feature an intergrated chain stablizer that delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON/OFF switch for easy wheel removal.
Specifications:
- Largest Cog: 51
- Rear Der/Shifter Compatibility: Shimano Road
- Rear Derailleur Mount Type: Shimano Rear Direct Mount
- Rear Derailleur Mount Type: 10×1 Standard
- Drivetrain Speeds: 12
- Weight: 288
- Chain Wrap Capacity (teeth): 41
- Cage Length: Long