Shimano GRX BR-RX400 Rear Flat Mount L03A Hydraulic Disc Brake IBRRX400RDRF

Shimano GRX BR-RX400 Hydraulic Disc Brake Caliper Front & Rear Set Used Japan

Shimano GRX RX400 2x10 Speed Front Derailleur Rear Derailleur Disc Brake Set

Shimano GRX 810 Mini 2X 11-Speed Groupset

Shimano GRX BR-RX400 Rear Disc Brake L03A Hydraulic IBRRX400RDRF

Shimano GRX RX-815 Di2 Groupset: Shifters, F/R Derailleurs, Disc Brakes, Rotors

Shimano GRX Di2 11-Speed Mini Groupset / Di2 Upgrade Kit (ST-RX815 / RD-RX815)

Shimano GRX RX815 Di2 1x11 Groupset with extras (1x DS)