Parts such as the Rear Fender: Bolt,hex.,cap, Nut,flange,8mm, Stay,mudguard, Collar,number Set are included in the Cx500c Custom 1980 (a) Germany / Full Power Rear Fender parts fiche.
With three applications this Collar,number Set is the most specified part.
The most reasonably priced component used on the Cx500c Custom 1980 (a) Germany / Full Power Rear Fender is the Collar,number Set.