Has anyone besides me had abnormal tread life out of these tires? They are ready to be replaced but I have around 60,000 miles on them and I am extremely hard on tires. Just as a comparison I ran a set of toyo MT's a few years back and they were completely bald in 25,000 miles and they are easily a 45,000 mile tire. That just gives you an idea of how hard I am on tires. To say the least I am impressed with the ridge grapplers and don't ever plan to run anything else. Also they look and ride great...