GRX 2x11 mechanical rear mech
Shimano GRX RD-RX810 11-Speed Rear Derailleur
The original GRX 11-speed rear mech for 2x setups, still sold new and ideal for maintaining or upgrading 11-speed gravel bikes. It runs 11-30T to 11-34T cassettes with a switchable Shadow RD+ clutch.
Highlights
Why we rate it
Proven 11-speed
A straight replacement or upgrade for 11-speed GRX and road-lever gravel builds.
Clutch control
Shadow RD+ cuts chain slap off-road, with a switch to turn it off when you don't need it.
Works with road levers
Compatible with current Shimano 11-speed road dual control levers.
Robust build
Cold-forged aluminium body and links for durability.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Model code
- RD-RX810
- Speeds
- 11
- Actuation
- Mechanical (cable)
- Drivetrain
- 2x
- Max low sprocket
- 34T
- Min low sprocket
- 30T
- Top sprocket
- 11T
- Total capacity
- 40T
- Max chainring difference
- 17T
- Weight
- 255g (claimed)
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, setup or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.