Shimano GRX RD-RX400 Rear Derailleur - 10-Speed, Long Cage, Black, With Clutch

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 Product Specifics Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Derailleur Mount Type: 10x1 Standard Rear Der/Shifter Compatibility: Shimano Road Cage Length: Long Drivetrain Speeds: 10 Weight: 303 Color: Black Chain Wrap Capacity (teeth): 41 Largest Cog: 36 Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 192790448893 EAN: Not available Manufacturer Part Number: IRDRX400 RD0608 156124-Q0-L