The Shimano GRX 11-speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops.
Specifications:
- Rear Derailleur Mount Type: Shimano Rear Direct Mount
- Rear Derailleur Mount Type: 10×1 Standard
- Rear Der/Shifter Compatibility: Shimano Road
- Cage Length: Long
- Drivetrain Speeds: 11
- Weight: 267
- Color: Black
- Chain Wrap Capacity (teeth): 31
- Largest Cog: 42