Originally Posted by
tyrion
Isn't the TPI spec relatively meaningless? I've heard some manufacturers will make a tire with two 60 tpi layers and call it a 120 tpi tire.
Usually it is meaningful. Continental loves to say they have 330TPI, when it is really 3x110tpi. Basically you have to divide any TPI number conti has by 3. They label their 60TPI tires as 180TPI. Everyone else seems to do it legitimately .