I've been running Mavic Crossmax w/ UST Fire XC Pro tires & Stan's for the last 6-8 months with no issues ever. I run both tires right around 29-30psi. Today I'm running a x-country race at Estrella in AZ (very rocky) and somehow with about 4 miles left I rolled the rear tire on a downhill tech section and it burped out about 2/3 of my tire pressure. I though I was flat at first, but was actually able to baby it around the corners and finish the race. Is this just a freak thing, has anybody experienced this before? Or is this just the price you might pay for running lower pressure? Thanks for any feedback.
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