Parts such as the Seat: Bolt, Flange,6x12, Seat.*type-1*, Bolt Assy Socket., Lever,seat Adjust are included in the Gl1200a Goldwing Aspencade 1986 (g) Usa California Seat parts fiche.
The component with the lowest price in the SEAT schematic is the Nut,flange,6mm.
The sub assemblies and components that make up this Seat include this Seat.*type-3*, the most expensive part.