SHIMANO GRX RD-RX812 1x11s

Shimano's GRX RD-RX812 rear derailleur features adjustable chain stabilizers and Shimano Shadow RD+ technology to minimize chain bounce and drop for smooth, quiet shifting on rough surfaces.

Use this rear derailleur when using 11-40 or 11-42 cassettes in front single operation.

SPEC

Series: GRX RX810
Recommended operation: gravel, cyclocross, touring/trekking
Compatible gears: 11-speed
Mounting style: standard (direct mount compatible)
Capacity: 31T
Compatibility: Shimano road 11-speed
Compatible chains: HG-EV 11-speed, HG-X11
Derailleur pulley ： 11T
Guide cage material: Aluminum
Other component materials: Aluminum, plastic (GFRP), steel, stainless steel

[COMPATIBILITY

- 1 x 11-speed GRX ST-RX810 and ST-RX600 STI levers
- 11-speed MTB cassette, CS-M8000 and CS-M7000 max Sprocket 40-42T
- 11-speed chain