Don't forget to check the tread, size and load rating. A lot of new trailers have a lighter than what should be on the trailer load rating, saves money. I over looked this when I purchased my LQ, had a blowout fully loaded on a major highway during a holiday weekend. The tires were D rated on a 10,000 pound empty trailer. Add your horses, water, gear, etc. They were under rated without even being loaded. Switched to a G rated tire with the advice from some friends. Thank goodness the trailer has steel rims or I would've had to replace them as well.