Shimano GRX RD-RX817 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, Di2, For 1x Suspension Seatposts Kit includes one cable guide

Kit includes one cable guide with a plastic molded nub

great for shorter rides

143078-Q0-L

Extra long quick release for rear axle mount rack systems

Manufacturer Part Number: decXS163

Shimano GRX RD-RX817 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, Di2, For 1x Suspension Seatposts Kit includes one cable guideThe Shimano GRX 11 speed Di2 rear derailleur integrates electronic shifting with silent and uninterrupted rear operation on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops. Operates with Shimano Di2 for digital electronic shifting Gravel tuned clutch tension provides smooth and reliable mixed surface shifting Product Specifics Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Der Shifter Compatibility: