Check the condition of your wheels with a penny
To assess tire wear, use the penny you find under the sofa cushions or in your trouser pocket. Testing the coin makes it easier to decide whether or not to buy new tires. Insert a penny upside down, with the number one facing down, into the tread. If the tread reaches the number one, the tires are still usable. If not, it’s time to replace them. A quick and easy way to determine the condition of your tires

Check The Condition Of Your Wheels With A Penny