///I got a little over 40K out of them, but they get loud after 30K./// Interesting, I am at 20k on my KM2's with no road noise so far. Rotated all 5 every 5k to even it all out. I dont do much mud but I prefer KM2's over the rocks better than the Ko's. KM2's did do very well this and last winter in the snow, the tread sheds snow /sand and mud much better than the KO pattern ever could. The KO pattern blocks shedding of snow/sand and mud. Looking forward to the KM3 reviews.