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C02 Inflators

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  • September 10, 2013 at 8:50 pm #19832
    dunnoh

    I had a puncture the other day – first in a years. Used my Co2 inflator and managed to get home. Since then I have had 4 punctures one after the other. I suppose the question is do you inflate the tyre with the CO2 and get home and then redo it properly with a pump? Ive done this tonight but I just wondered if this was standard practice to make sure pinch flats are alleviated. Failing that should I ditch the C02 and carry a pump. Ta

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Viewing 10 replies - 16 through 25 (of 25 total)
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  • September 11, 2013 at 9:21 am #756201
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    PJ McNally

    why do people buy co2
    why do people buy co2 canisters? not trolling, genuinely interested.

    September 11, 2013 at 9:16 am #756199
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    Matt eaton

    Does anyone subscribe to
    Does anyone subscribe to nitrogen tyre inflation, as is often used for cars nowadays? They claim lower rolling resistance and less deflation on cars and I wonder if any advantage could be gained on the bike.

    I know that helium has been used in a few select cases ‘for lightweight’ but I know that rapid deflation is a problem.

    September 11, 2013 at 9:03 am #756197
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    Simon E

    I carry a mini pump, either a
    I carry a mini pump, either a Lezyne Pressure Drive or Blackburn Airstik SL (16cm long, 60g). Don’t feel the need to try CO2.

    September 11, 2013 at 6:01 am #756195
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    Barnes Badger

    CO2 canisters are great to
    CO2 canisters are great to get you home but they do go down after some time and need to be replaced with air before your next ride. As for punctures, like buses they always come in bunches but thoroughly check your tyres for flints etc and dig them out.

    Southern air is fine but not as hot as northern.

    September 10, 2013 at 11:55 pm #756193
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    FMOAB

    CO2 is highly soluble in
    CO2 is highly soluble in butyl rubber, so its not so much escaping as being absorbed by the tube. I’ve always wondered if that means the tube itself is being weakened by use of CO2, deflating when you get home and reinflating with your track pump sounds like good advice that I’ll now follow myself.

    September 10, 2013 at 11:10 pm #756191
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    Leviathan

    Some Fella wrote:I’m no

    Some Fella wrote:
    I’m no physicist but CO2 does not have the same properties as air and is able to seep through innertubes.
    CO2 will get you home but you need to let it all out and replace it with good honest proper air which is thicker than CO2 – it has bigger atoms or something.
    I find good, northern air is much better than that stuff you get down south.

    You are no physicist indeed; CO2 is denser than air, hence dry ice (remember Top of the Pops floor.) Air is mostly N2 and O2 which are smaller molecules than CO2.

    September 10, 2013 at 10:45 pm #756189
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    mattyb95

    You sure they were punctures
    You sure they were punctures and not just air loss? Anything still left in the tyre that is causing the repeat punctures, say a thorn?
    Definitely agree with CO2 to get you home then re-inflate tyre properly with track pump to right pressure.

    September 10, 2013 at 10:11 pm #756187
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    Some Fella

    I’m no physicist but CO2 does
    I’m no physicist but CO2 does not have the same properties as air and is able to seep through innertubes.
    CO2 will get you home but you need to let it all out and replace it with good honest proper air which is thicker than CO2 – it has bigger atoms or something.
    I find good, northern air is much better than that stuff you get down south.

    September 10, 2013 at 9:01 pm #756185
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    dunnoh

    Yes its a track pump. And
    Yes its a track pump. And yes thats a good idea. Kicking myself – pretty obvious really

    September 10, 2013 at 8:55 pm #756183
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    Bedfordshire Clanger

    Does your inflator have a
    Does your inflator have a gauge? You’ll want to check that your tyre is at the right pressure as soon as you can.

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