With its gravel-specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, Shimano GRX 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 a 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
Grey, for Gravel & Cyclocross, 12-speed
RDRX820 - Wide gear ratio compatible rear derailleur up to 11-36T, For use with a double chainset,
RD-RX822GS - Wide gear ratio rear derailleur compatible up to 10-45T for use with a single chainset.
RDRX822SGS - Wide gear ratio compatible up to 10-45T, For use with a single chainset