The most reasonably priced component used on the Cn250 Helix 1999 (x) Italy Frame Body is the Nut,flange,6mm.
Some items from this specific schematic: Bearing B,eng Han, Brkt Subassy A,en, Rubber A,stand, Nut,u,flange,10mm.
This schematic depicts all components used in the Cn250 Helix 1999 (x) Italy Frame Body partslist.