NEW Shimano GRX RD-RX815 Di2 Rear Derailleur - 11-Speed, Clutch, 34t max Type_Pumps ISO Width (mm): 88 mm

ISO Width (mm): 88 mm

Double-riveted rubber mud flaps

For extra large frames

ABI Standard Design Cartridge Bearings

NEW Shimano GRX RD-RX815 Di2 Rear Derailleur - 11-Speed, Clutch, 34t max Type_Pumps ISO Width (mm): 88 mmGRX 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: 10x1 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