Parts such as the Rear Brake Caliper: Bolt,flange 8x49, Boot B, Pin,bolt, Piston are included in the Xl600v Transalp 1999 (x) Austria / Kph 50t Rear Brake Caliper parts fiche.
The Rear Brake Caliper assembly is constructed from several parts from which the Caliper Sub Assy, is the most expensive.