Parts such as the Rear Caripers: Cap,bleeder Plug, Shim,rr Caliper, Bleeder, Pin,pad are included in the Gs1100s 1983 (d) Usa (e03) Rear Caripers parts fiche.
The sub assemblies and components that make up this Rear Caripers include this Caliper Assy,rr, the most expensive part.
The most reasonably priced component used on the Gs1100s 1983 (d) Usa (e03) Rear Caripers is the Bolt.