I wanted to swap tires from my Honda Foreman to my Sportsman. Rather than spend $80 at a shop, I decided to buy a Harbor Freight tire machine. I bolted it on to my trailer as a base. It worked like a charm. I'm actually somewhat impressed. Breaking the bead is always the hardest part, but it had no trouble at all. Hard to beat for $40. I think I would redesign the bar so that it stays hooked on the rim better and doesn't slip off the center post. Otherwise it worked great, and it pays for itself with just a few tire changes.