Parts such as the Seat: Grommet,rr*type1*, Bolt,socket,8x50, Seat Comp.*type1*, Grip,r.pas*type1* are included in the Gl1500a Goldwing Aspencade 1995 (s) Austria / Kph Seat parts fiche.
On this parts fiche the Bolt,socket,8x50 is the most specified component.
The most reasonably priced component used on the Gl1500a Goldwing Aspencade 1995 (s) Austria / Kph Seat is the Bolt,socket,8x50.