On this parts fiche the Bolt(8x25) is the most specified component.
The twenty-five An400a Burgman 2011 (l1) Usa (e03) Rear Caliper (an400 L1 E3) component parts are all listed in this schematic.
Parts such as the Rear Caliper (an400 L1 E3): Bolt(8x25), Bracket,rr, Packing (nas), Pin are included in the An400a Burgman 2011 (l1) Usa (e03) Rear Caliper (an400 L1 E3) parts fiche.