The most reasonably priced component used on the St1100 1991 (m) Usa California Front Fork is the Bolt,hex.,6x8.
A sample from the products for the Front Fork include: Bolt,flange,8x45, Clamper B,fr.brak, Piece,oil Lock, Collar,spring.
With all the components that make up the ST1100 1991 (M) USA CALIFORNIA FRONT FORK assembly. The Bolt Socket is the most frequently specified with four applications.