The following parts were surplus when I converted my GL1800 to a trike at under 9,000 km.
Front tire & wheel 130/70 R18 Bridgestone Exedra.........$400
Rear tire & wheel 180/60R16 Bridgestone Exedra............$600
Set of locking hard bags.........................................................$1,000
Rear swingarm & brake assembly........................................$150
Triple tree steering stem.........................................................$100
Other misc. parts (centre stand, rear light assembly,etc....best offer.
OR: Take all of the above for $1,800
Phone calls or emails only please, no text.