The component with the lowest price in the REAR FENDER schematic is the Nut,flange,8mm.
Some items from this specific schematic: Nut,flange,8mm, Pipe,comp,rr, Grommet,wire Horn, Bolt,flange,6x16.
With a quantity of two pieces, the Grommet,wire Horn is the most used part in the REAR FENDER diagram.