A sample from the products for the Footrest include: Bar,footrest,r, Bar,pillion Footrest,l, Pin, Washer.
The thirty-eight Gsf400 1992 (n) (e02 E04 E16 E21 E22 E25 E30 E34 E53) Footrest component parts are all listed in this schematic.
On this parts fiche the Bolt is the most specified component.