The component with the lowest price in the REAR FENDER schematic is the Bolt,hex.,6x16.
Parts such as the Rear Fender: Screw-wash 5x12, Clip,body Cover, Bolt,flange,6x12, Fender Rear are included in the Sfx50mm 1998 (w) Netherlands Rear Fender parts fiche.
Check out any of the fourteen Rear Fender components enlisted.