Build your Shimano GRX RX820 2×12 mechanical gravel groupset: choose crank length, cassette and rear rotor size. Includes both ST-RX820 shift/brake levers with BR-RX820 flat-mount calipers and hoses, FD-RX820 front and RD-RX820 rear derailleurs (36T max), FC-RX820-2 48/31 crankset, CN-M8100 126-link chain and two RT-CL800 rotors. Front rotor is 160 mm.
Requires a Shimano HG 12-speed road freehub and a frame-compatible bottom bracket. Bottom bracket, shift cables and housing, 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.
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