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  • Make sure to measure your tread! A tread depth gauge is an inexpensive and effective tool for measuring the amount of tread left on your tires. Hydroplaining can occur even at low speeds if the tread is not deep enough to channel the water from under your tires. The tread depth measurement is taken in 32nds of an inch, and should be taken from the tread grooves at three different areas of the tread (inner, center, and outside).

    Helpful hints:

    • At or below 2/32″ tread depth, tires should be replaced as soon as possible.
    • At or below 4/32″, it is not uncommon to feel a significant differences in traction and grip. You should begin to think about tire replacement.

    Tread Depth

    When measuring your tread depth, it is not uncommon to have a tire that is worn out in one area of the tread, but may still have plenty of tread in other areas. It is important to remove a tire from service when any part of the tread is at or below 2/32″ measurement. Chances are, the part of the tire that is worn out is the part you need most when cornering or driving in adverse weather conditions.

    Don’t have a tread depth gauge? You can always watch our video on how to perform the penny trick or stop by any Sullivan Tire location and we can check your tread for free!

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