Of all the components used in this assembly the Bridge,fork Top is the most expensive.
Parts such as the F-4: Bridge,fork Top, Pipe,strg.handle, Spacer, Bell Setting, Washer,plain, 6mm are included in the Mt50s 1985 (f) Netherlands F-4 parts fiche.
The Washer,plain, 6mm is the lowest priced item on this F-4 schematic.