It only says the RMATV and Tusk worked together to come up with a perfect dual sport tire for all conditions in their thoughts. The last I looked RM nor Tusk are in the tire manufacturing business. I'd be totally surprised if for the price range that any major manufacturer would take on the job for them. But I really don't see any reason to doubt that they don't meet a standard of most of the other tires on the market. Just so they aren't a waste of time mounting is the main thing I'm looking for.