NEW Shimano GRX RX827 1x12 Di2 Electronic Groupset - Gravel, All-Road Cassette and Chain:XTR CS-M9200/CN-M9100 Bottom bracket and headset spin

Bottom bracket and headset spin smoothly

and more control to keep you on the trail

- Spoke length should be reduced by 1 mm when using DT Swiss 16mm nipples

ZR1 SL disc brake hub with ceramic bearings

NEW Shimano GRX RX827 1x12 Di2 Electronic Groupset - Gravel, All-Road Cassette and Chain:XTR CS-M9200/CN-M9100 Bottom bracket and headset spinSHIMANO marks its debut in the fully wireless drop bar segment with the new 1x12 speed GRX Di2 components. Featuring robust MTB technologies, GRX RX827 delivers performance, durability, and versatility. COMPONENTS: GRX BL RX825 Brake Lever with BR RX820 Hydraulic Disc Brake Caliper Left Front, 1x, Flat Mount Caliper, Black GRX ST RX825 Di2 Shift Brake Lever with BR RX820 Hyd Disc Brake Caliper Right Rear, 12 Speed, Flat Mount Caliper, Black GRX RD