Parts such as the Footrest: Bolt 10x45, Nut, Pin, Bolt are included in the Gn125 1982 (z) (e01 E02 E04 E18 E30) Footrest parts fiche.
The Bolt is the cheapest item from this partsfiche.
The Footrest assembly is constructed from several parts from which the Holder,fr Footrest,r is the most expensive.