-the maximizer wheels fit the standard size monster truck tires which will give you the most selection of tires.

-the hpi blast wheels are new and you can only use the hpi 115x70 wheels on them and are meant more for looks than performance if your're racing

-the other size tire for monster trucks that's popular is prolines 40 series... these are much wider than the other two. ther is a larger selection of tires than the blast wheels but not as much as the standard monster truck size