Shimano GRX RD-RX812 Rear Derailleur 11 Speed Long Cage For 1x 42t Low IRDRX812
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Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x, 42t 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.
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
For 1x drivetrains
42t low sprocket max / 11t top sprocket max
Model: GRX RD-RX812 11-Speed Rear Derailleur
Brand: Shimano
Color: Black
Largest Rear Cog: 42
Rear Derailleur Mount Type: Shimano Rear Direct Mount
Chain Wrap Capacity (teeth): 31
Cage Length: Long
Rear Der/Shifter Compatibility: Shimano Road
Drivetrain Speeds: 11
Mfg Claimed Weight: 267g
Manufacturer Part Number: IRDRX812
UPC: 192790448886
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