On this parts fiche the Bearing B.eng Han is the most specified component.
Parts such as the Frame Body: Nut,flange 12mm, Rubber A,stopper, Bolt,flange10x210, Washer,rubber Sto are included in the Cn250 Helix 1988 (j) Switzerland Kph Frame Body parts fiche.
This Body Comp.,frame is the most expensive of the items that make up this Frame Body assembly.