Persistent punctures that cannot be properly repaired. Recurring loss of tire pressure.
Using the Penny Test to Check Tire Tread for Safety and Wear
Uneven wear patterns across the tread surface. Rubber compounds degrade over time due to exposure to oxygen, ozone, and ultraviolet light, a process known as dry rot.
Frequent driving on rough roads, potholes, or curbs can cause internal damage to the tire structure, leading to bulges or blowouts. This degradation makes the rubber brittle and more susceptible to blowouts, particularly as the tire heats up under load.
How to Perform the Penny Test for Tire Tread Depth and Safety
Sawn or exposed steel belts Replace the tire immediately due to structural damage. Determining when to replace them is not always as simple as watching the mileage, because factors like age, driving habits, and road conditions play critical roles.
More About When do you need to change your tires
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