The sixteen Gsxr1100 1992 (n) (e01 E02 E04 15 16 17 18 21 22 24 25 34 39 53) Rear Caliper component parts are all listed in this schematic.
Some items from this specific schematic: Shim,pad, Cover, Spring, Caliper Assembly,rear.
The component with the lowest price in the REAR CALIPER schematic is the Bolt.