Thanks guys, good info.  Buddy of mine just put 4 Carlisle radial ST's o his travel trailer.  $325.  They had to order them, but only took a day.  Also heard to make sure they are "fresh".  They can stay on the shelf for a year or two. 
 
Guess the next question is radial or not. 
 
What psi do you run the radials at, I'm guessing the bias is at 50psi
		 
		
		
		
		
		
		
		
		
	
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