Shimano GRX RD-RX400 10 Speed Rear Derailleur, SGS For Double

Shimano GRX RD-RX400 10 Speed Rear Derailleur, SGS For Double

• 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 up to 11-36T

• For use with double chainset

• Weight: 303g

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.

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and on/off switch for the chain tensioner.