I am on 6 years with my Michelin 22.5 and more on som smaller tires
They are never overflexed as many are when operating under inflated
Michelin will inspect tires and give you a report if desired
Toyo tires are almost as good as Michelin but only Michelin on my steers for around 50 years on many rigs
Properly inflation for the load is critical
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