Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK MFPN=TTP27 }Surly 26"-29" CroMoly Rear Rack:

}Surly 26"-29" CroMoly Rear Rack: Black

5 x 26 x 146mm QR

Finger Style Full FingerSeason Warm WeatherTouch Screen Compatible YesGender/Age MensColor Peace Up Dark CloudPadding NoneSize LargeInsulation Type NoneDefined Color Gray

}Pirelli P ZERO Race TLR Tire - 700 x 32 Tubeless Folding Classic Tan SpeedCore SmartEVO

Rounded edge rotor

Shimano GRX RD-RX717-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK MFPN=TTP27 }Surly 26"-29" CroMoly Rear Rack:The 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