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Clamp Diameter 31
Designed to protect seals and extend time between rebuilds
Item Specifications Axle Diameter (mm) 15 Color Black Overall Length (mm) 198 Thread Length (mm) 12 Thread Pitch 1
Spline 240S based hub
elastomers or the Earth
Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black sdg Clamp Diameter 31The 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