The component with the lowest price in the Rear Fender(s) schematic is the Collar.
The Rear Fender(s) is made up of components including this Fender-rear,main,l.gr which is the most expensive.
A sample from the products for the Rear Fender(s) include: Stay,rear Fender,lh, Collar, Bolt,6x20, Nut,lock,flanged,5mm.