What's To Know About Tire Treadwear? This article is about the Treadwear rating. If you are interested in other aspects of how a tire's tread wears, including problems and abnormal wear patterns you might want to see Tire Wear Problems, or Tread. In my opinion, the problem is not that the tool is useless, but rather, that people never learned how to use it correctly. Amazingly enough, there are even tire dealers who don't really understand what it's all about, but one that has proven to be on top of the subject is Tire Rack:. If you want to be up to speed, that's what I'm going to show you here.