The most reasonably priced component used on the Gsf600 1999 (x) (e02 E04 E17 E18 E22 E25 E34) / P37 Handlebar (model T/v/w) is the Nut.
On this parts fiche the Balancer Set,handlebar is the most specified component.
twenty components are listed in the schematic for this Gsf600 1999 (x) (e02 E04 E17 E18 E22 E25 E34) / P37 Handlebar (model T/v/w) .