The lowest price component in this Rear Wheel parts-list fiche is the Nut.hex 10mm.
The most expensive part in this assembly is the Hub.,rear Wheel.
Parts such as the Rear Wheel: Collar,rear Wheel, Tube,tire, Tube,tire (110/10, Tube375/400-18tr6 are included in the Cb550k 1978 Usa Rear Wheel parts fiche.