The Shimano GRX 11-speed rear derailleur has an integrated chain stabilizer mechanism that provides a quieter experience shifting security and precision on mixed terrain. For rides on smooth surfaces the derailleur features an ON/OFF switch for the chain tensioner. The Shimano Shadow RD+ adjustable chain stabilizer provides silent and uninterrupted rear shifting on rough terrain.
Adjustable Shimano RD+ chain stablizer prevents chain slapping and dropsGravel-tuned clutch tension provides smooth and reliable mixed surface shiftingCompatible with Shimano road Dual Control LeversCompatible with Shimano LinkGlide and HG 11-speed chains
| Largest Cog |
34, 42 |
| Color |
Black |
| Rear Der/Shifter Compatibility |
Shimano Road |
| Rear Derailleur Mount Type |
10x1 Standard |
| Drivetrain Speeds |
11 |
| Weight |
255, 267 |
| Chain Wrap Capacity (teeth) |
31, 40 |
| Cage Length |
Long |
