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  1. #1
    Senior Member TransitBiker's Avatar
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    Curious: Nitrogen for bike tires?

    I was wondering if there were any products out there that allowed the use of pure nitrogen for bike tires? I ask this, because i really want to not worry about keeping tires inflated to spec every time i go to ride, and especially if its been sitting in higher or lower than ideal temps for many hours in a day.

    Links to product sites welcomed.

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  2. #2
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    Please tell me this is a troll thread.

  3. #3
    Senior Member Shimagnolo's Avatar
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    You really think nitrogen will negate the need to fill the tires when you are already filling them with 78% nitrogen?

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    Super Moderator no1mad's Avatar
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    Quote Originally Posted by Cyril View Post
    Ride what and in what manner pleases you. Those that mind don't matter, and those that matter don't mind. srsly.
    Community guidelines

  5. #5
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by no1mad View Post
    Thank you!!

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  6. #6
    Been Around Awhile I-Like-To-Bike's Avatar
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    Why not helium?

  7. #7
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by I-Like-To-Bike View Post
    Why not helium?
    It would leak out due to small atomic size..

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  8. #8
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    Quote Originally Posted by TransitBiker View Post
    I was wondering if there were any products out there that allowed the use of pure nitrogen for bike tires? I ask this, because i really want to not worry about keeping tires inflated to spec every time i go to ride, and especially if its been sitting in higher or lower than ideal temps for many hours in a day.

    Links to product sites welcomed.

    - Andy
    If you are correct that oxygen leaks out faster then after a couple of weeks there will be virtually no oxygen left just nitrogen. No need for expensive gimics.

    You'll still get flats though.

  9. #9
    Senior Member walrus1's Avatar
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    It was my understanding there was brief nitrogen car tire craze a few years ago. If I remember there was no discernible difference other than cost for the average driver. I have never heard of nitrogen for bicycle tires. Just stick with air.

  10. #10
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    Maybe use a radon gas then? Nice large atomic size. You might even be able to ride without lights.

  11. #11
    Senior Member TransitBiker's Avatar
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    As you my have guessed, i am not shy in trying new things and seeing if they work better (in theory at least) backed by lots of facts & research. I mean, i looked at the N360 thoroughly before i even allowed the bike i have now to be a purchase option, and it has turned out to be one of the defining pluses. The only reason i asked, is because unlike some i do a safety check before riding every time, and i'm tall (6'5) so using the pump means potential discomfort for my back that would then last the rest of the day. On top of that, carbon dioxide is a greenhouse gas, and the whole point of me living car free is to maximize reduction of my carbon footprint, so the c02 option is out for me.

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  12. #12
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by Saving Hawaii View Post
    Maybe use a radon gas then? Nice large atomic size. You might even be able to ride without lights.
    Yea, i think i'd rather not go that route, as i prefer not to develop cancer.. That would really cut into my riding. /montypythonesque

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  13. #13
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    Quote Originally Posted by TransitBiker View Post
    As you my have guessed, i am not shy in trying new things and seeing if they work better (in theory at least) backed by lots of facts & research. I mean, i looked at the N360 thoroughly before i even allowed the bike i have now to be a purchase option, and it has turned out to be one of the defining pluses. The only reason i asked, is because unlike some i do a safety check before riding every time, and i'm tall (6'5) so using the pump means potential discomfort for my back that would then last the rest of the day. On top of that, carbon dioxide is a greenhouse gas, and the whole point of me living car free is to maximize reduction of my carbon footprint, so the c02 option is out for me.

    - Andy
    Maybe you could try using N20 canisters. Might be interchangeable with CO2 canisters. The big plus is that if you got in a horrible accident and were in a ton of pain you could deflate the tire into your lungs as an a aesthetic.

    If CO2 works for you just use that. The CO2 that comes out of those little thumbsticks isn't environmentally bad. It's non-climate changing. Making a bunch of disposable metal cylinders is a little but that seems to be what you're looking for.

  14. #14
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by Saving Hawaii View Post
    Maybe you could try using N20 canisters. Might be interchangeable with CO2 canisters. The big plus is that if you got in a horrible accident and were in a ton of pain you could deflate the tire into your lungs as an a aesthetic.

    If CO2 works for you just use that. The CO2 that comes out of those little thumbsticks isn't environmentally bad. It's non-climate changing. Making a bunch of disposable metal cylinders is a little but that seems to be what you're looking for.

    Good points. When i have a few bucks, and after some other related purchases, i think i will experiment a bit & see what works best.

    I now picture myself with a garage full of gas cylinders and various filling apparatus....




    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

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    Uh, oh; it's Dr. Frankenstein.

  16. #16
    Senior Member Slaninar's Avatar
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    Quote Originally Posted by Shimagnolo View Post
    You really think nitrogen will negate the need to fill the tires when you are already filling them with 78% nitrogen?
    Exactly. After the oxygen leaks out and you repump the tyres, there should be around 95% nitrogen. After several times you add air to your tyres, they will be more and more nitrogen. Theoreticaly at least.
    Evviva il comunismo e la libertÓ.

  17. #17
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    Quote Originally Posted by TransitBiker View Post
    i'm tall (6'5) so using the pump means potential discomfort for my back that would then last the rest of the day.
    If topping up your tires is enough to make your back hurt for the rest of the day you should see your doctor.

  18. #18
    Senior Member jrickards's Avatar
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    I think our local Costco fills tires with Nitrogen.
    Yeah, I've been thinking about it and I've come to the conclusion that being an adult isn't going to work for me.

  19. #19
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by CharlyAlfaRomeo View Post
    If topping up your tires is enough to make your back hurt for the rest of the day you should see your doctor.
    My back is fine, i just don't fit anywhere. I have to lean to do most things day to day, and in backs of cars i gotta lean to one side to fit often, just makes my muscles worn out so they get temperamental like a tired toddler getting cranky.

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  20. #20
    rugged individualist wphamilton's Avatar
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    Is mostly the pressure changes from temperature swings that you're going after?

  21. #21
    Senior Member locolobo13's Avatar
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    Unless I already had the equipment for storing and dispensing Nitrogen I would stick to air. I can't believe any benefits would outweigh the costs.

  22. #22
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by wphamilton View Post
    Is mostly the pressure changes from temperature swings that you're going after?
    Yea, in hot the non nitrogen expands then gets out faster, making the tire floppy & hard to roll, which further increases heating & tread wear in some cases. Then in the cold as the compound warms from flexing it gets more compliant & the non nitrogen inside leaks out then cooling down it looses even more pressure. Granted the one tube i had an issue with was in use for 3 years, but still, irritating to do a precision inflation 20 times a month when i just wanna hop on & go.

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  23. #23
    It's MY mountain DiabloScott's Avatar
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    Quote Originally Posted by TransitBiker View Post
    On top of that, carbon dioxide is a greenhouse gas, and the whole point of me living car free is to maximize reduction of my carbon footprint, so the c02 option is out for me.

    - Andy
    Wait, these are two separate issues. The only CO2 issue is with inflators for use on the road. N2 instead of air for home use with big cylinders might be doable. N2 for a flat tire inflator probably wouldn't be; since it's still a gas at the required pressure the cylinders would be 10 times as big as CO2 cylinders and you wouldn't want to carry one with you.


    Quote Originally Posted by TransitBiker View Post
    Yea, in hot the non nitrogen expands then gets out faster, making the tire floppy & hard to roll, which further increases heating & tread wear in some cases. Then in the cold as the compound warms from flexing it gets more compliant & the non nitrogen inside leaks out then cooling down it looses even more pressure. Granted the one tube i had an issue with was in use for 3 years, but still, irritating to do a precision inflation 20 times a month when i just wanna hop on & go.

    - Andy
    If this only happened with one tube, then it's the tube's issue, and has nothing to do with N2 vs standard air. Most tires and tubes in good conditions could easily go a week on regular air without needing pressure adjustments.

    And nitrogen, oxygen, CO2, and pretty much all other gases expand at exactly the same rate with temperature increase. You have misidentified your problem.
    Last edited by DiabloScott; 05-07-14 at 12:00 PM.
    http://diabloscott.blogspot.com/

  24. #24
    Senior Member TransitBiker's Avatar
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    Quote Originally Posted by DiabloScott View Post
    Wait, these are two separate issues. The only CO2 issue is with inflators for use on the road. N2 instead of air for home use with big cylinders might be doable. N2 for a flat tire inflator probably wouldn't be; since it's still a gas at the required pressure the cylinders would be 10 times as big as CO2 cylinders and you wouldn't want to carry one with you.




    If this only happened with one tube, then it's the tube's issue, and has nothing to do with N2 vs standard air. Most tires and tubes in good conditions could easily go a week on regular air without needing pressure adjustments.

    And nitrogen, oxygen, CO2, and pretty much all other gases expand at exactly the same rate with temperature increase. You have misidentified your problem.
    No, two separate issues. Sorry, i don't sleep well and hae been unusualy tired lately, something to do with stress i'm guessing. I'll come back to this when i've had a proper night's sleep & i can form a correct clear thought haha.

    Sorry!

    - Andy
    I can't wait for the next pint of good chocolate milk after a long ride.

  25. #25
    Senior Member blacknbluebikes's Avatar
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    The cost/benefit calc doesn't work out for most of us "homebodies."
    Up and running is probably about $250, all in, plus cost of refills when necessary.
    And you'll still have to watch your pressures, just less frequently.

    Neat idea, but in practice... meh.

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