Shimano GRX RD-RX810 Rear Derailleur 11 Speed Long Cage w/ Clutch IRDRX810
Shimano GRX RD-RX810 Rear Derailleur – 11-Speed, Long Cage, Black, With Clutch,
For 1x and 2x Speed Drive Trains
Accepts 34t Low Rear 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.
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
For 1x and 2x drivetrains
Model: GRX RD-RX810/RX812 11-Speed Rear Derailleurs
Brand: Shimano
Color: Black
Largest Rear Cog: 34
Rear Derailleur Mount Type: Shimano Rear Direct Mount Standard
Chain Wrap Capacity (teeth): 40
Cage Length: Long
Rear Der/Shifter Compatibility: Shimano Road
Drivetrain Speeds:1×11 or 2×11 with  34t Low Rear Sprocket Max
Mfg Claimed Weight: 255
Manufacturer Part Number: IRDRX810
UPC: 192790448879