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Thread: CO2 Pressure

  1. #1
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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.

  2. #2
    Senior Member Retro Grouch's Avatar
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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.

  3. #3
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    Thanks for the info!!

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