NEW Shimano GRX RD-RX817 Rear Derailleur - 11-Speed, Long Cage, Black, Clutch onsale The Tange-Seiki Passage 1" threaded

The Tange-Seiki Passage 1" threaded headset is constructed of steel and features 5/32" ball bearings

5 cm: 5'10"–6'2"

Rear Axle: 12mm Thru x 142mm

Left shifter has a trim position when front derailleur is in the large chainring

NEW Shimano GRX RD-RX817 Rear Derailleur - 11-Speed, Long Cage, Black, Clutch onsale The Tange-Seiki Passage 1" threadedThe 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 Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Der Shifter Compatibility: Shimano Road Di2