SHIMANO GRX Rear Derailleur 11-speed (42T max low sprocket)


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

Average weight 267 g