Shimano GRX RD-RX817 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch

GRX RD-RX815 Di2 Rear Derailleur

• Operates with Shimano Di2 for digital electronic shifting
• Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
• For 1x drivetrains

• Largest Cog: 42
• Color: Black
• Rear Der/Shifter Compatibility: Shimano Road Di2
• Rear Derailleur Mount Type: Shimano Rear Direct Mount
• Drivetrain Speeds: 11
• Weight: 318
• Chain Wrap Capacity (teeth): 31
• Cage Length: Long