The most expensive part in this assembly is the Fender Comp B,rr.
A sample from the products for the Rear Fender(2) include: Nut,spl 6mm, Fender Comp B,rr, Bolt,flange 6mm, Rod Holder 18.5.
The component with the lowest price in the REAR FENDER(2) schematic is the Rod Holder 18.5.