No one can tell you exactly how long a tire will last because there are so many variables that affect aging of the casing,statistics show that the average service life expectancy of a tire in RV service is 5 to 7 years. In fact, it is important to note that tires age more quickly when not used! Tires are designed to roll, heat up, and release anti-weathering chemicals that help to keep the tire supple and resist aging. In the RV world, we frequently subject tires to the absolute worse case scenario; We sit for a season in the sun and ozone, then pull onto the interstate and dash down the highway at speeds in excess of 65 miles per hour, then park it for a few months, etc., creating an extreme duty cycle. Every RV owner should know the age of the tires on his/her coach and be alert for signs of aging.
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Sean
If Ain't a Newell, It Ain't Wurt Oonin!
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