Complete 11 speed GRX drive chain set. Cheapest new £550.
Shimano GRX RX600 11-Speed Single Gravel Chainset - 165mm Crank Arm Length - 40T
Shimano GRX RX600 Disc Brake STI's & RX400 Flat Mount Callipers - 2x11
Shimano GRX RX600 Crank Arms 165mm long Left & right 10, 11, 12 speed black -New
Shimano GRX RX600 2x11-speed Groupset RX810 Front Rear Derailleur R7000 Cassette
Shimano GRX RX810 1x11 11-Speed Gravel Groupset ST+BR-810/RD-RX812/CS-M8000/701
Shimano GRX RX810 1x11 11-Speed Full Gravel Groupset W/FC-RX810-1 42T/170/175MM
