Originally Posted by Howard L.
Frank, what year tires did you have that failed. There were a number of the mid 2000s era ST tires that did have problems. GYMs were among trailer tires that had a number of failures then. I thought, however that from approx 2010 and later those ST problems had been corrected. In fact I wonder if any one has real data that covers ST tire reliability for the last 5 years or so.
They were 2012 tires on a 2013 - 30' International.
The tires sat around over a year somewhere before being installed.
Looking at how my new Michelin LT tires behave on the trailer and also on my TV I believe the ST tires are obsolete. Non ST Radial tire sidewall flexing is far more demanding than what an ST tire sidewall is subjected to. The way an ST tire has to be made is why they are prone to thread separation. They should stop making them and the old regulation be eliminated. Let the market place competition provide the best product.