Shimano GRX RD-RX812 11 Speed Rear Derailleur Shadow+ for Single

- 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 11-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 11-speed HG chains
- Wide gear ratio compatible with 11-40T up to 11-42T
- For use with single chainset
- Weight: 267g