SHIMANO GRX Di2 RD-RX817 1x 11-Speed Rear Derailleur Time (LxWxH in cm): n/a Gross

(LxWxH in cm): n/a Gross weight (kg): 0

and reduced weight

Tubeless compatibility for reduced weight

5 mm chain line compared to conventional road front derailleurs

SHIMANO GRX Di2 RD-RX817 1x 11-Speed Rear Derailleur Time (LxWxH in cm): n/a GrossShimano GRX Di2 RD RX817 1x11 Speed Rear Derailleur: Unparalleled Control for Gravel Riding The Shimano GRX Di2 RD RX817 11 Speed Rear Derailleur brings the digital precision of SHIMANO electronic shifting to the gravel roads. Featuring an integrated chain stabilizer, this rear derailleur ensures quiet, safe, and precise shifting on mixed terrains. The stabilizer's ON OFF switch enhances adaptability on slippery surfaces. Compatible with road bike