The lowest price component in this 021 Half-handlebars - Shock-adsorber parts-list fiche is the Circlip.
Some items from this specific schematic: Nut 6mm, Spring Ring, Key-operated Switch, Screw Tceif M6x40.
forty components are shown in this Sbk999 2004 Eu (superbike 999) 9151-1602b 021 Half-handlebars - Shock-adsorber exploded diagram.