The most reasonably priced component used on the Gsxr600 1998 (w) (e02 E04 E18 E22 E24 E25 E34 E39) Installation Parts is the Screw.
On this parts fiche the Screw is the most specified component.
fourteen components are shown in this Gsxr600 1998 (w) (e02 E04 E18 E22 E24 E25 E34 E39) Installation Parts exploded diagram.