Have you tried Nexen Roadian AT tires?
Search funtion turns up a few threads on the highway tires, but I don't see any on the AT. They get pretty good reviews elsewhere -- and are cheap, which might be a good thing or a bad thing :B. The...
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If they aren't domestic Firestones or Michelin, I would be leery. I put a set of Kuhmo's on my tandem gooseneck and they lasted a year and came apart.
