Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK MFPN=WH-0011-36 This results in an optimal

This results in an optimal stance and very natural movements

0°C/+10°C

Manufactured in-house by Park Tool anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive

} Bracket can be mounted to the seat tube (from 28mm to 36mm)

Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK MFPN=WH-0011-36 This results in an optimalThe 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 structure