I have those tires after running KM3 for years , and I am completely happy with my choice of the KO2 tires, with a very good no questions asked warranty. I might ad that they are almost as good traction as the KM3 tire but every once and a while i notice the car gets a little push in the middle of a corner if the driver gets a little lazy.
I would recommend these to any play rider on a budget.