- Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world
- Low profile Shadow Plus design 12-speed rear derailleur for fast and precise shifting performance
- Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
- High tolerance cold forged aluminium link plates and body construction is extremely light and durable
- Compatible with 12-speed Hyperglide+ chains
- Wide gear ratio compatible up to 11-36T
- For use with double chainset
Shimano GRX
Rd-Rx820 Grx 12-Speed Rear Derailleur, Shadow+, Max 36T For Double
£119.99