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Ours hasn't sat in storage but have been in one rv park site for up to two months. The only times I've had to adjust air pressure are when there have been large temperature swings, like yours. At 14,000+ miles they're doing great. I'll keep them until they show me they deserve to be swapped out. I never got this many miles on the Goodyear Marathons that came with our other fifthwheels.
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