Join Date: Jun 2004
Location: Illinois (near St. Louis)
Bikes: Specialized Expedition Sport, Surly LHT
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Why do tubes lose air?
New tube, out of the box. Installed, pumped up to 100 psi, trued the wheel, went to bed. Got ready to ride the next day, checked the tire, 80 psi. I had checked the tire for debris, rim for burrs, etc. prior to installing the tube. I've also noticed this on other tires/tubes as well. Where does it go? Poor tubes? Bad valve? Bad brand? Anybody else experience this?