NEW Shimano GRX RD-RX815 Di2 Rear Derailleur - 11-Speed, Clutch, 34t max consignment Tightly packed center knobs are

Tightly packed center knobs are ramped for rolling efficiency

Tooth Count: 36

Handlebar : Surly Terminal Bar

this model is not compatible with Centerlock or HSX rotors

links feature different grades of steel and coatings for strength and to withstand wear

NEW Shimano GRX RD-RX815 Di2 Rear Derailleur - 11-Speed, Clutch, 34t max consignment Tightly packed center knobs areGRX 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