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The Shimano GRX 11-speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops.
•Compatible with Shimano road Dual Control Levers
•Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
•Toggle clutch on/off to match the terrain
•For 1x and 2x drivetrains