tire wear bars are designed as visual indicators to tell you how much your tires' treads have worn down. New tires usually ...

The quickest way to measure your tread depth is by reading the wear bars on your tires. Also called tire wear indicators (TWI ...

The Michelin ... tread life with that of a reference tire graded at 100. A tire with a grade of 300 is predicted to last three times as long as one graded at 100. Treadwear grades are just one ...