The most reasonably priced component used on the Gl1800a Goldwing 2003 (3) England Cb Antenna (long) is the Screw, Cb Antenna.
Some items from this specific schematic: Bolt,flange 6mm, Antenna Assy Lwr, Screw, Cb Antenna, Base. Antenna.
The Cb Antenna (long) is made up of components including this Cb Antenna (long) which is the most expensive.