Shimano GRX 1x12 10-45 Groupset

This Shimano gravel-specific 1x12-speed groupset that features a 42-tooth chainring and a mountain bike cassette. This simple and reliable single chainring set-up is perfect for exploring, racing, high-speed sections, and mountain crossings. With a 42t chainring and a 10-45t cassette, this groupset provides an excellent range for those who love adventures with steep climbs. The groupset also includes a shift lever for the right, a brake lever for the left, a matching rear derailleur, a Quick-Link chain, and flat-mount disc brakes.

The groupset includes:

ST-RX820 STI SHIFTER RIGHT w/ BR-RX820 FRONT CALLIPER 12-SPEED
BL-RX820 BRAKE LEVER LEFT w/ BR-RX820 REAR CALLIPER (NO SHIFT FUNCTION)
RT-CL800 DISC ROTOR 160mm ULTEGRA / XT CENTRELOCK
RT-CL800 DISC ROTOR 160mm ULTEGRA / XT CENTRELOCK
FC-RX820-1 FRONT CRANKSET GRX 42T 172.5MM 12 SPEED
CN-M8100 CHAIN 12-SPEED XT W/ QUICK LINK
RD-RX822 GS REAR DERAILLUER GRX 1 x 12-SPEED 45T MAX
CS-M8100 CASSETTE 10-45 12-SPEED XT