I dunno.... only 4,000 miles in a 5 year period of time to me doesn't seem to be a great gauge on the longevity or quality of any trailer tire brand! Maybe it's just sour-grapes on my part eh?
P.S. We have at least 60,000 plus miles on our present trailer tires!
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Jeff & Jan - Retired & Full-timing since 2013
2019 Ram Big Horn 3500 Aisin 4x4
2012 Alpine 3450-RL
Double Coin 235/75R-17.5/16 J rated 125lb