The component with the lowest price in the FRONT HUB/BRAKE schematic is the Washer-plain-small,6m.
Some items from this specific schematic: Washer-thrst Spd Pini, Collar,front Hub Brg, Bearing-ball,#6302c3, Bearing,ball,#6302ns.
Of all the components used in this assembly the Drum Assy,front Brake is the most expensive.