Parts such as the Rear Caliper: Insulator No.2, Caliper Assy,rr, Bolt(10x20), Insulator No.1 are included in the Vzr1800 Boulevard M109r 2011 (l1) Usa Califo Canad (e03 E33 E28) Rear Caliper parts fiche.
The Bolt(10x20) is the lowest priced item on this Rear Caliper schematic.
This Caliper Assy,rr is the most expensive of the items that make up this Rear Caliper assembly.