Cracked sidewalls after 9.5 years & 20,000 miles. 1 tire was pristine. There might have been some correlation between the cracks & what side was facing down during the last 3 months. There might be some benefit to driving it to keep the same side from facing down. After 10 years in 3 different outdoor parking spaces, there was no correlation with UV exposure.

 Obviously not worth aligning them if they're going only 20,000 miles in their lifetime.  These arrived on Dec 3, 2013.  Michelin says they can last 10 years, but they more typically die after 6 years.










The green time of year







 

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