Shimano GRX RD-RX810 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x and 2x, 34t Low Sprocket Max

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. Toggle clutch on/off to match the terrain For 1x and 2x drivetrains 34t low sprocket max / 11t top sprocket max Adjustable Shimano RD+ chain stablizer prevents chain slapping and drops Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting Compatible with Shimano road Dual Control Levers Compatible with Shimano LinkGlide and HG 11-speed chains Item Specifications Cage Length Long Chain Wrap Capacity (teeth) 40 Color Black Drivetrain Speeds 11 Largest Cog 34 Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount T