Only had these tires for 2 years, I put about 30000 highway miles on them and they are now bald in the middle with about 40% tread on the outer edge of the tire, don't know why the wore so uneven, the max psi rating is only 44psi and I have only run them with 35psi. I will not be buying these again for the last 7000-8000 miles i have not been able to pull my 10ft trailer because these tires don't hold the road well enough anymore, especially not when it's raining.