The Pin,cotter,2.0x12 is the lowest priced item on this Footrests schematic.
Parts such as the Footrests: Damper,step Holder, Pin Cotter,295x15, Step,fr,rh, Holder-step,fr,rh are included in the Z750p9 Gt750 1994 United Kingdom Footrests parts fiche.
On this parts fiche the Damper,step Holder is the most specified component.