The lowest price component in this Rr,mudguard Extensio parts-list fiche is the Nut,flange,5mm.
In this schematic the "Screw,special 5x9" is used most often.
Parts such as the Rr,mudguard Extensio: Nut,flange,5mm, Screw,special 5x9, Rr.mudguard Extensio are included in the Gl1500c Valkyrie 2002 (2) Germany / Kph Rr,mudguard Extensio parts fiche.