A spare tire that has reached its maximum lifespan of ten years is already pushing it, but using one that is 20 years old is asking for trouble. The rubber components in a tire break down over time, and this deterioration accelerates as the tire ages.
How long will a spare tire last? Most full-size spare tires are designed to last anywhere from seven to 10 years, according to John Paul. That said, drivers should never use a tire with visible damage, such as cracks in the sidewall, punctures, impact bulges or irregular tread wear – all of which are dangerous to drive on.
Even though never used, years of exposure and inactivity resulted in cracking in the base of the spare tire's tread grooves that confirmed replacement was long overdue. The combined result of exposure and inactivity was the rubber had cracked in the base of the tread grooves around the tire.
How Long Does A Spare Tire Last? As you know, Spare tires either come in at full size or small ones like donuts. If there ever was a more accurate reading of how long do they last, then look no further than the owner's manual that came in with the car.
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how long does a spare tire last
