Parts such as the Front Brake Caliper 1100: Cap,bleeder, Pin,hanger, Piston, Bracket Comp.,l.f are included in the St1100 1991 (m) Usa California Front Brake Caliper 1100 parts fiche.
This schematic depicts all components used in the St1100 1991 (m) Usa California Front Brake Caliper 1100 partslist.
The Bolt,flange,8x32 is the cheapest item from this partsfiche.