The Bolt,flange,6x10 is the lowest priced item on this F-12 Front Brake Caliper schematic.
The Pad Comp.,fr.(jb) (mca) is the most widely applied product in the GL1100D 1982 (C) F-12 FRONT BRAKE CALIPER ( four times ).
Some items from this specific schematic: Bracket Retainer, Caliper Assy.r.fr, Bracket,l.fr., Spring,pad.