I have plenty of Victa wheels but as is always the case with the 2 stroke ones they are always trashed, no tread left, plastic rings broken, can't find 4 of the same. Rover and Masport use the 1/2 inch axle but I'm not sure how the axle length compares.
Something I have been contemplating getting but not sure what bushes would be needed are these, super cheap and just up the road from me. Not sure if they have any 6 inch ones
http://www.ebay.com.au/itm/8-Plastic-Wheel-with-Rubber-Tyre-x-8-pieces/152145540499
