ok, bought a fastrack superduty 36 today, and right off the bat, and i knew it would happen, these tiny tires are leaving a path. can somone explain to me what the numbers mean in the tire size? obviously the first is the height, whats the other 2? i want to know which one is the width, so i can get some new ones. i want to disperse th weight mor and hopefully cut down on these ruts. thanks!