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 up to 11-42T For use with single chainset Weight: 267 g Colour: Black Speed:11 Speed FEATURES Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping and drops SHIMANO SHADOW RD Smooth and reliable mixed surface shifting Switch stabilizer ON/OFF to match the terrain Gravel-tuned clutch tension Compatible with current road DUAL CONTROL LEVER Top sprocket: Max. 11T/Min. 11T Low sprocket: Max. 42T/Min. 40T Total capacity: 31T
