The Shimano GRX 11-speed Di2 rear derailleur integrates electronic shifting with silent and uninterrupted rear operation on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops.
•Operates with Shimano Di2 for digital electronic shifting
•Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
•For 1x and 2x drivetrains