To check tyre tread properly, use the 20p coin test (or a penny if you’re in the US): insert the coin into the main tread groove; if the outer band is visible, the tread is below the 1.6mm legal limit ...

New study shows penny test is outdated; tire must have an eighth inch of tread. Oct. 3 , 2007 — -- Forty-three states require motorists to get new tires when the tread wears down to a 16th of an ...

Too many people ignore their tires. Most enthusiasts know that they are more than just pieces of rubber and are actually one of the most important factors in the ability to control a vehicle. Still, ...

Few car maintenance tasks are as crucial (or as often overlooked) as tire tread depth. It's a major part of determining how safe, effective, and long-lasting your tires are, and yet it's rarely ever ...