Shimano GRX RD-RX817 GRX Di2 11-speed rear derailleur Shadow+ Gravel Bike Shimano GRX RD-RX817 GRX Di2 11-speed rear derailleur Shadow+ Gravel Bike

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 with Di2 technology 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

11-speed E-tube Di2 compatible

Compatible with 11-speed HG chains

Wide gear ratio compatible up to 11-42T

For use with single chainset

Weight: 318 g

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 with Di2 technology 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

11-speed E-tube Di2 compatible

Compatible with 11-speed HG chains

Wide gear ratio compatible up to 11-42T

For use with single chainset

Weight: 318 g