Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK MFPN=AH205-LX-17 model CSM680 freehub type HG

model CSM680 freehub type HG speed 8 range 11-40 cogs 11

Multiple pockets for C02 tools and tube

Steel backplate Color Black Weight 185 Chainguide Mount Type ISCG-05 Max Tooth (teeth) 36

Soft and squeezable making it easier to hold an insert into the cage Color Clear Volume 16

Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK MFPN=AH205-LX-17 model CSM680 freehub type HGThe Shimano GRX RX827 Di2 Wireless rear derailleur paired with a 10 51t cassette (cassette sold separate) gives riders and racers 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