I've put quite a few miles on Dunlop Qualifiers, some miles were much harder and longer than probably the average street rider. With this being said, in 1.5 summers loggin a little more than 16,000 miles, I have not been disappointed with Dunlop...actually, I guess you could say that I'm partially bias because Qualifiers are the only tires I've had on the bike other than the stock Dunlops. I think most people will be to scared to out ride their tires, but I'm sure those who get to the point of out ridin their tires will probably buy better tires...