On this parts fiche the Cover,lock Nut is the most specified component.
Parts such as the Switch/cable/mirror: Grip Assy,throttl, Cover,lock Nut, Cable Comp A,thro, Nut,hex.,10mm are included in the Cb1000r 2010 (a) France / Cmf Switch/cable/mirror parts fiche.
The component with the lowest price in the SWITCH/CABLE/MIRROR schematic is the Screw,cross 5x22.