The twenty Gs1000 1978 (c) Usa (e03) Front Wheel (gs1000ec component parts are all listed in this schematic.
Of all the components used in this assembly the Wheel, Front is the most expensive.
The most reasonably priced component used on the Gs1000 1978 (c) Usa (e03) Front Wheel (gs1000ec is the Cotter Pin.