Build your Shimano GRX Di2 RX825 2×12 gravel groupset: choose crank length, cassette and rear rotor size. Includes both ST-RX825 Di2 shift/brake levers with BR-RX820 flat-mount calipers and hoses, FD-RX825 and RD-RX825 derailleurs, FC-RX820-2 48/31 crankset, BT-DN300 battery, EW-EC300 charging cable, EW-SD300 wires (800 mm + 1200 mm), CN-M8100 126-link chain and two RT-CL800 rotors. Front rotor is 160 mm.
Requires a Shimano HG 12-speed road freehub, a Di2-ready frame and a frame-compatible bottom bracket. Bottom bracket and installation are not included. The selected components drawer is the definitive bill of materials.
Image is an illustrative component layout. Exact included parts and sizes are shown in Selected components.