The fourteen Gl1500c Valkyrie 2003 (3) Australia / Kph Rear Brake Caliper component parts are all listed in this schematic.
A sample from the products for the Rear Brake Caliper include: Hanger Pin, Caliper Sub Assy,, Boot,b, Seal Set,piston.
Of all the components used in this assembly the Caliper Sub Assy, is the most expensive.