In this schematic the "Bolt,flange,8x40" is used most often.
The Front Brake Caliper is made up of components including this Caliper Sub Assy, which is the most expensive.
Parts such as the Front Brake Caliper: Spring,pad, Pad Set,l Fr (nas), Screw, Bleeder, Caliper Sub Assy, are included in the Xl600v Transalp 1997 (h) Germany / Kph Front Brake Caliper parts fiche.