The lowest price component in this Rear Caliper parts-list fiche is the Bolt.
With all the components that make up the GS500E 1997 (V) (E02 E04 E22 E24 E25 E34 E37) REAR CALIPER assembly. The Bolt,housing is the most frequently specified with two applications.
Some items from this specific schematic: Shim,inner, Spring, Bleeder, Bolt,housing.