Shimano GRX RX827 Di2 1x12V groupset 2026

Shimano GRX RX827 Di2 1x12-Speed Groupset

Electronic 1x12-speed gravel drivetrain designed for performance, simplicity, and reliability across mixed terrain. Built for smooth shifting, stable chain control, and consistent braking in all conditions.

• 1x12-speed electronic shifting system (Di2)

• Wireless shifting with fast and precise response

• Wide gear range for gravel and off-road riding

• Shimano Shadow RD+ design with impact recovery

• Hydraulic disc braking system

• Ergonomic GRX lever design for improved control

Included:

• Shimano GRX FC-RX820 1x12-speed crankset ×1

• Shimano XT CS-M8100 12-speed cassette (Micro Spline) ×1

• Shimano CN-M8100 12-speed chain ×1

• Shimano GRX Di2 RD-RX827 rear derailleur ×1

• Shimano GRX Di2 ST-RX825 right shifter + BR-RX820 caliper ×1

• Shimano GRX BL-RX825 left shifter + BR-RX820 caliper ×1

• Shimano Center Lock 160 mm disc rotors ×2

• Shimano BT-DN320 battery ×1

• Shimano EC-DN100 charger ×1

Shimano GRX FC-RX820-1 1x12S crankset

Shimano XT CS-M8100 micro spline 12S cassette