Of all the components that make up this Rear Fender(s) the Screw,tapping,5x12 has the lowest price.
The sub assemblies and components that make up this Rear Fender(s) include this Fender-comp-rear,fr, the most expensive part.
Some items from this specific schematic: Nut, Screw,tapping,5x12, Washer,6.5x20x1.6, Damper.