The current tires are 4.10/3.50-5, they have the 4 hole split rims 2 3/4" center bolt pattern.
The main thing is the sprocket is only about 1.5" off the ground, the body is 5". I would like to see about a 3.5" rise, so instead of the current tires being 10", I would like to see 16-18" tires...