do you think the best place to get parts for it would be to just order from go power sports .com?If that is a Carter frame like the one that I have it will take a 3/4 in axle .
Also mine do not have the three bars either in the back, someone may have welded the extra bar.
I did replace the back axle bearings of course they were three quarter inch inside diameter but you will have to measure the outside diameter if it takes a 3/4 inch axle.