Shimano GRX ST-RX825 Di2 Shifter and BR-RX820 Caliper 12 Speed Size:Left Shifter / Rear Brake Our SES promise of Real-World

Our SES promise of Real-World Fast isn’t limited only to cycling’s elite

120mm (rear)

Ready for racing

Ideal for shop runs

Outstanding stiffness to weight ratio in the field of high profile wheels

Shimano GRX ST-RX825 Di2 Shifter and BR-RX820 Caliper 12 Speed Size:Left Shifter / Rear Brake Our SES promise of Real-WorldThe Shimano GRX ST RX825 Di2 Shifter and BR RX820 Caliper (12 Speed) pairs wireless Di2 shifting with a dedicated hydraulic flat mount caliper, built for gravel, cyclocross and touring riders who need reliable stopping power and precise gear changes on mixed terrain. Specifications Series: GRX Di2 RX825 Application: Gravel, Cyclocross, City & Touring Gearing: 2x, 12 speed Shifting System: wireless Type: hydraulic Actuation: mineral oil Hose: SM BH90