I purchased set of tires on Mar 2011, tires look still brand new. Recently I ran over sharp object on highway and it can't be repairable. Since I had road hazard, I got replacement and when they check
tread, guess what tire worn very little and I only paid $1.07. I still can't believe drove 21,000 miles
and replacement of new tire with $1.07. Highly recommend it and make sure get road hazard.