The Pin-cotter,4.0x35 is the cheapest item from this partsfiche.
Parts such as the Rear Wheel/tire/hub/chain ('78 D: Washer,lock, Circlip 62 M/m, Collar,l=6, Chain Assy, Drive are included in the Kz1000d1 Z1r 1978 Canada Rear Wheel/tire/hub/chain ('78 D parts fiche.
This REAR WHEEL/TIRE/HUB/CHAIN ('78 D assembly utilises six Nut,10mm(s) - the highest specified component.