The twenty Gl1800 Gold Wing 2009 (9) Australia / Ab Nav Rear Brake Caliper component parts are all listed in this schematic.
A sample from the products for the Rear Brake Caliper include: Boot B, Seal Set,piston, O-ring,2.5x1.5, Caliper Sub Assy,.
The Bolt,flg.dr 10x32 is the lowest priced item on this Rear Brake Caliper schematic.