On this parts fiche the Screw Tceif M8x25 is the most specified component.
Parts such as the 021 Half-handlebars - Shock-adsorber: Balancer Set, Handle Bar, Spacer, Steering Damper, O-ring are included in the Sbk999 2005 Eu (superbike 999) 9151-1602c 021 Half-handlebars - Shock-adsorber parts fiche.
Of all the components used in this assembly the Tube is the most expensive.