NEW Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black groupset_family_x0 Tires Yuba GMD 20”x 2

Tires Yuba GMD 20”x 2

Tell that deejay to drop the needle and fire up the mirror ball

Ramped center knobs form a nearly uninterrupted centerline that decreases rolling resistance while its round tire profile is packed with short

Uses full length cable housing

NEW Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black groupset_family_x0 Tires Yuba GMD 20”x 2The 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