Forum Discussion
mpfireman
Sep 05, 2013Explorer
ST tires are made with stiffer and additional plies in the side walls, thus when turning ,your trailer's 2nd or 3rd axle being stationary causes these other tires to slide around corners. LT tires lack these added plies. But again many RV owners have switched from the ST tires to the LT tires. It's your rig, so you have to make that choice. ST tires also contain additional rubber compounds that are designed to withstand long exposure to the sun, thus they say, less sidewall cracking.
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