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    • Trail ratings are set and maintained often with no official authority. It's an ambiguous and imperfect system in a lot of places.

      Ok don't scare me! 😀 So are the easier trails just fire roads? If the ratings aren't maintained by an official authority what about the trails themselves?

      This is all super helpful! Those adjustable tire deflators look awesome. I never knew such thing existed. I do have a follow up question: how do I know what PSI to air-down to when out on the trail?