On this parts fiche the Insulator is the most specified component.
The Dl650 Vstrom 2011 (l1) Usa (e03) Rear Caliper (dl650 L1 E33) consists of eighteen pieces with the Caliper Assy,rr being the most expensive.
Some items from this specific schematic: Bracket, Spring,pad, Bolt, Caliper Assy,rr.