Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutTitle=KMC MissingLink-11 DLC Connector - 11-Speed Adjustable Contact Point No Adjustable

Adjustable Contact Point No Adjustable Reach Yes Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Right Color Diffusion Black Hydraulic Fluid Type Mineral Oil Hydraulic Hose Length 2000mm Pad Compound Organic Rotor Included No keyword search DB8

Color Green Wheel Diameter 26 Primary Color Green

5mm flathead exceeds ISO standards and serves countless service procedures

Shimano/SRAM 9-speed compatiable

Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutTitle=KMC MissingLink-11 DLC Connector - 11-Speed Adjustable Contact Point No AdjustableShimano GRX RD RX717 SGS Di2 Wireless Rear Derailleur 12 Speed Long Cage Shadow ES Black. TECH SPECS Largest Cog 51Rear Der Shifter Compatibility Shimano Road Di2Rear Derailleur Mount Type Shimano Rear Direct MountRear Derailleur Mount Type 10x1 StandardDrivetrain Speeds 12Chain Wrap Capacity (teeth) 41Cage Length LongColor Black