Of all the components that make up this Taillight the Screw-washer 4x16 has the lowest price.
Parts such as the Taillight: Nut,flange,5mm, Collar,speedomete, Set Illust*type1*, Screw,pan,6x12 are included in the Cb1000r 2010 (a) European Direct Sales Taillight parts fiche.
With five applications this Tapping,5x20 is the most specified part.