The component with the lowest price in the REAR CALIPER schematic is the Cap,bleeder Plug.
The Insulator is the most widely applied product in the GSX1300RAZ HAYABUSA 2014 (L4) USA (E03) REAR CALIPER ( two times ).
A sample from the products for the Rear Caliper include: Bracket, Spring,pad, Piston Set, Shim.