Parts such as the Rear Hub: Washer,37.5x48x2.3, Washer, Ring,snap, Hub,rr are included in the Kef300-a5 Lakota300 1999 Europe Rear Hub parts fiche.
The component with the lowest price in the REAR HUB schematic is the Nut,flanged,10mm.
In this schematic the "Bolt,10x30" is used most often.