The Rear Fender(cb1300/cb1300 S) assembly is constructed from several parts from which the Fender Comp.b,rr. is the most expensive.
In this schematic the "Cushion,a Battery" is used most often.
The component with the lowest price in the REAR FENDER(CB1300/CB1300 S) schematic is the Nut,flange,5mm.