The most reasonably priced component used on the Kx100-b1 1991 United Kingdom Al As Rear Hub is the Pin-cotter,2.5x20.
This schematic depicts all components used in the Kx100-b1 1991 United Kingdom Al As Rear Hub partslist.
Parts such as the Rear Hub: Sprocket-hub, Sprocket-hub,52t, Collar,12.2x17.3x107., Nut are included in the Kx100-b1 1991 United Kingdom Al As Rear Hub parts fiche.