Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK Tip Size-10mm Separate and independent open and

Separate and independent open and threshold pistons

3D forged+CNC machined 6061 forged alloy Minimal Top Clamp (MTC)

}microSHIFT MS29 Left Twist Shifter Triple Shimano Compatible

Offered in all common lengths

and 250-gram integrated cockpit (70mm x 780mm)

Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK Tip Size-10mm Separate and independent open andThe 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