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  1. #1
    Fair Weather Cyclist Transformer's Avatar
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    CO2 cartridges: is 12g sufficient for small-wheels?

    I have a CO2 inflator that I've only used a couple of times (with 16g cartridges). I'm thinking of buying some 12g refills which seem like they would work well with our small wheels. I'd like to hear from anyone who uses the 12g cartridges.

    I have 20" Duranos on my TSR. Does anyone know if 12g would inflate one of those to at least 90 PSI?

  2. #2
    Senior Member kamtsa's Avatar
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    Probably not but I don't know for sure. On my bike I need to manually pump + one cartridge of 16g.

    BTW, if your motivation is price, check amazon. For example you can get 16g threaded cartridges for about $1/cartridge http://amzn.com/B0015V45F4
    Happier than a camel on wednesday.

  3. #3
    Fair Weather Cyclist Transformer's Avatar
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    Thanks. My motivation is size, not cost. I'm constantly trying to minimize the essentials. Last year I replaced my wallet with a rubber band.

  4. #4
    Senior Member kamtsa's Avatar
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    Quote Originally Posted by Transformer View Post
    Thanks. My motivation is size, not cost. I'm constantly trying to minimize the essentials. Last year I replaced my wallet with a rubber band.
    Broccoli rubber band?

    http://www.cbsnews.com/stories/2008/...n4512252.shtml

    ;-)
    Happier than a camel on wednesday.

  5. #5
    Fair Weather Cyclist Transformer's Avatar
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    LOL. It IS a broccoli rubber band! But I don't roll up my cash like a mobster (or even have enough cash to make an impressive showing after buying the Moulton).

  6. #6
    Senior Member kamtsa's Avatar
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    On my TSR I fit everything within a frame triangle bag. It contains 3 threaded 16g, CO2 valve, micro pump, 15mm wrench, patch kit, spare tube, road tool kit, Z Allen for the king bolt, etc.

    IMG_0649.jpg
    Happier than a camel on wednesday.

  7. #7
    Senior Member badrad's Avatar
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    i had a 12g on mine, with 20" Stelvios (same difference) and i got it close to 100/105 psi. (couldn't really tell as this was on the road repair). but i do recall i had to pump up when i got home to 120.

  8. #8
    Fair Weather Cyclist Transformer's Avatar
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    Thank you, badrad. That's exactly what I wanted to confirm.

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