The most reasonably priced component used on the Kh100b7 1976 Canada Fenders is the Washer-plain,6mm.
Parts such as the Fenders: Screw-pan Head,6x14, Washer-plain,6mm, Fender,rear, Washer-spring,6mm are included in the Kh100b7 1976 Canada Fenders parts fiche.
Of all the components used in this assembly the Fender,rear is the most expensive.