Some items from this specific schematic: Lever-assy-grip,clutc, Bolt,6x22,black, Mirror-assy,lh, Nut,cable Adjust Lock.
The Screw-pan-cros is the most widely applied product in the Z550G6 GT550 1989 EUROPE FG SP HANDLEBAR ( three times ).
The Screw-pan+- is the cheapest item from this partsfiche.