Altitude and tire pressure?
I was wondering what effect large changes in altitude can have, if any, on my tire pressure? I just wonder as had some weird tire pressure readings lately, but have also been going from sea-level to over 4,000m. If I inflate (using hand pump) my tires at 4,000m, I assume the air is thinner - when I decrease altitude will the tire then have less air in it - or do you just have to pump more times to achieve the desired PSI? :confused
Cheers,
RTW
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