Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black sdg saving ≈ 10g over steel

saving ≈ 10g over steel rotor bolts

Item Specifications Axle Diameter (mm) 15 Color Black Overall Length (mm) 198 Thread Length (mm) 12 Thread Pitch 1

the spokes have been modified to increase their strength without drastically increasing the weight

Clamp Diameter 31

Designed to protect seals and extend time between rebuilds

Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black sdg saving ≈ 10g over steelThe Shimano GRX RX717 Di2 Wireless rear derailleur paired with a 10 51t cassette (cassette sold separate) gives gravel riders the speed, range, and robustness to pursue any gravel challenge. With built in automatic impact recovery, an impact deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning quick shifting performance. Fully wireless shifting built for rough gravel terrain A wide link