Shimano GRX RD-RX822-SGS Rear Derailleur - 12-Speed Direct Mount Long Cage Shadow Plus Design 51t Max Low and most factory rails Fast rolling center knobs tightly

Shimano GRX RD RX822 SGS Rear Derailleur 12 Speed Direct Mount Long Cage Shadow Plus Design 51t Max Low and most factory rails Fast rolling center knobs tightly Fast rolling center knobs tightly spaced in a consistent pattern the center tread cuts down on rolling resistance while still digging into any terrain for dependable out of the saddle traction Color Silver Drivetrain Speeds 11 keyword search quick link keyword search master link keyword search masterlink }Shimano GRX RD RX822 SGS Rear Derailleur 12 Speed Direct Mount Long Cage Shadow Plus Design 51t Max Low Largest Cog 51 Rear Der Shifter Compatibility Shimano Road Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Weight 288 Chain Wrap Capacity (teeth) 41 Cage Length Long