I got told recently those plastic wheels on the BMX that we used to call "tuffs" are going for around $1000 a pair and from memory the "spin back" (non braked) rims were harder to come by. Legend has it that if the rims were buckled a day or two in mums freezer pulled them straight again.
What are the plans for the outboard leg? I reckon a Victa twin would look pretty flash on it.

This
Is going straight to the pool room.