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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-22-04, 04:07 PM   #1
panhandlepeddle
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CO2 Pressure

I had a flat. Replaced the tube and blew it up with a CO2 pump. How long can I expect the gas to hold the tire up in 90 deree heat?

Thank you in advace for your help.
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Old 08-22-04, 04:13 PM   #2
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Maybe 12 hours or so. If you're planning to ride tomorrow, you'll be pumping that tire up again.

You might have to find a chemist of physicist to explain it fully, but as I understand it the concentration of co2 in the air is lower than the concentration in the tire so the co2 migrates through the inner tube trying to correct the imbalance.
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Old 08-22-04, 04:15 PM   #3
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Thanks for the info!!
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