Been doing research on the Sailun S637 14 ply G rated tires. Yea, I know, mfg in China but so far good reviews as alternative to 614's and less expensive. I have read all of the cons about Chinese tires but they have got to be better than Marathons. I have been running another 14 ply brand on my TV since 2010 and they still look new. They just don't make them anymore. A good G rated tire would be nice though.
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