Shimano GRX RD-RX812 Rear Derailleur (Black) (1 x 11 Speed) (Long Cage) (Shadow Plus)

The Shimano GRX FD-RX812 rear derailleur features an integrated chain stabilizer to keep the shifting smooth and precise over a variety of terrain.

Features:

• Adjustable chain stabilizer prevents chain slapping and drops
• Switch stabilizer ON/OFF to match the terrain
• Gravel-tuned clutch tension
• 1x-specific rear derailleur

Specifications:
Speed: 1 x11 Speed
Shifter Compatibility: Shimano Road (11 Speed)
Shift Mechanism: Cable Actuated
Max. Tooth: 42T
Min. Tooth: 11T
Chain Wrap Capacity: 31T
Cage Material: Aluminum
Chain Retention: Shadow Plus
Color: Black
Weight: 267g