Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutSpec= DH38 m.1 }G-Form Pro Rugged 2 Knee/Shin

}G-Form Pro Rugged 2 Knee/Shin Guards - Black Large

precise OverDrive steering

Use of a clutch-style rear derailleur is recommended Tooth Count 34 Drivetrain Speeds 9 Round or Oval Oval Offset 6 Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount SRAM 3-Bolt

Can be used in place of alloy Squorx Pro Head nipples when building DT rims that require Prohead nipples and washers (PHR washer is still required)

Full-width 34mm chassis with aggressive generative design-aided arch and crown for 17% increase in stiffness and 10mm increase in travel over 34 SC at only 3% weight increase

Shimano GRX RD-RX827-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK CheckoutSpec= DH38 m.1 }G-Form Pro Rugged 2 Knee/ShinThe 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