THe 1/24 "dub city" replacement wheels come out to about 18-19" wheels in 1/18. They are thin , but you can use some of the thicker tires off of a Burago or Maisto(etc) to make it look better.
YES the 1/24th scale truck wheel are BIGGER!<{POST_SNAPBACK}>[/post][/right]
I have these wheel at home and there are very nice and as stated above<{POST_SNAPBACK}>[/post][/right]