Shimano GRX RD-RX400 10 Speed Rear Derailleur Shadow+ for Double

- 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 10-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
- Compatible with 10-speed HG chains
- Wide gear ratio compatible with 11-32T up to 11-36T
- For use with double chainset
- Weight: 303g