The most expensive part in this assembly is the Pipe Comp Rr.fend.
The Screw,tapping,5x1 is the lowest priced item on this Rear Fender (dk/ed/u) schematic.
A sample from the products for the Rear Fender (dk/ed/u) include: Nut,flange,6mm, Washer,plain,6mm, Fender Set, Rr. (wl), Screw,tapping,5x1.