As standard the kit does use the proprietary Kawada wheels. However, It can be easily modified to accept "standard" 12th scale wheels like Jaco or BSR.

For the rear you'll have to use different hubs and shim accordingly. The Kawada also uses proprietary diff rings, so you should consider swapping the whole rear axle. Something like this would have everything you need.

In my case, I'm using Pro-One tires which have their own unique offset. So my setup has Pro-One hubs and axle. Because of the offset and pod width I also found I had to use 3/32" diff balls to get the rear width under 172mm.

For the front I converted to 1/8" axles so it would accept a standard flanged bearing used with most wheels. The stock axles are 3mm. I used Lunsford titanium axles. The stock knuckle has a small shim molded in (circled) that I sanded flat to accommodate the Lunsford axle and keep the same width.



Hope that helps!