The Clamp,pipe is the lowest priced item on this F-5 schematic.
Parts such as the F-5: Hose B,brake Sub, Hose C,brake Sub, Delay Valve Assy, Pipe B,fr Brake M are included in the Gl1800a Goldwing 2002 (2) Japan Sc47-100 F-5 parts fiche.
On this parts fiche the Washer,oil Bolt is the most specified component.