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
• Rear Derailleur Mount Type: Shimano Rear Direct Mount
• Rear Derailleur Mount Type: 10×1 Standard
• Rear Der/Shifter Compatibility: Shimano Road Di2
• Cage Length: Long
• Drivetrain Speeds: 11
• Weight: 287
• Color: Black
• Chain Wrap Capacity (teeth): 38
• Largest Cog: 34