cant wait to see this one built dude, sorry to seem a bit pedantic but as far as my maths seems to go that measurement seems to end up as a scale 19.84" dia. 21 x 24 (1/24 scale) / 25.4 = 19.84" those are some big ass 18"s. lol
are you gonna be keeping the standard rims? i somehow doubt it, lol. what have you got planned for it? i think something like the amistad v?
cant wait