GRX RD-RD400 Rear Derailleur

The Shimano GRX RD-RX400 10-speed rear derailleur keeps shifting silent and uninterrupted when riding on rough terrain.

• A Shadow RD+ chain stabilizer prevents chain slapping and drops
• The gravel-tuned clutch tension helps to provide smooth and reliable mixed surface shifting
• Stabilizer can be turned on/off to match terrain
• Compatible only with 10-speed ST-RX400, ST-4700, ST4720, ST-4725, ST-RS405 and SL-4700 shift levers

• Rear Derailleur Mount Type:Shimano Rear Direct Mount , 10×1 Standard
• Drivetrain Speeds:10
• Cage Length:Long
• Chain Wrap Capacity (teeth):41 teeth
• Largest Cog:36
• Color:Black
• Weight:303 g
• Rear Der/Shifter Compatibility:Shimano Road