Do you Roll with Nitrogen or Oxygen ???? - BMW S1000RR Forums: BMW Sportbike Forum
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post #1 of 13 (permalink) Old 11-05-2012, 08:42 AM Thread Starter
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Do you Roll with Nitrogen or Oxygen ????

.

I think most are aware of the benefits of Nitrogen vs. normal air in car tires.
And we're seeing more and more cars and trucks with Nitrogen in their tires off the showroom floors. More Stable, less heat expansion, more consistent Pressures, and less Oxidation on the inside .
All the Nascar teams around us say they use Nitrogen in their tires. Plus we have always put it in the tires on our cars the past several years

Does anyone here use Nitrogen in their motorcycle tires? Street or Race bikes?
As it seems you don't have to mess with the tire pressures as much with Nitrogen.

Thoughts?



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post #2 of 13 (permalink) Old 11-05-2012, 11:08 AM
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I like a 78% nitrogen 21% oxygen mix for mine.

Unfortunately, with time the oxygen escapes through the tire walls and so eventually I wind up with a much higher concentration of nitrogen, whether I want it or not.
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post #3 of 13 (permalink) Old 11-05-2012, 12:10 PM
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I too prefer the custom mix rather than straight nitrogen.
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post #4 of 13 (permalink) Old 11-05-2012, 12:27 PM
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the mix works great for tires and lungs if 100% nitrogen is free and readily available I would use it, but I wouldnt spend a penny or even a seconds effort on putting it in my street tires over air. now top level racing where every little edge counts, thats different.

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post #5 of 13 (permalink) Old 11-05-2012, 12:31 PM
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Quote:
Originally Posted by miles View Post
I like a 78% nitrogen 21% oxygen mix for mine.

Unfortunately, with time the oxygen escapes through the tire walls and so eventually I wind up with a much higher concentration of nitrogen, whether I want it or not.
Similar here... I've got a couple compressors that are specific to that mix. Personally I worry more about how much H20 finds it's way in... use air driers on my compressors.

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post #6 of 13 (permalink) Old 11-05-2012, 02:15 PM
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So with the 78/21 mixture you are basically using atmosphere? 78% nitrogen 21%oxygen and 1% carbon is atmosphere?
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post #7 of 13 (permalink) Old 11-05-2012, 05:39 PM
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So with the 78/21 mixture you are basically using atmosphere? 78% nitrogen 21%oxygen and 1% carbon is atmosphere?
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Yeah, they are being sarcastic.
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post #8 of 13 (permalink) Old 11-05-2012, 05:44 PM
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Quote:
Originally Posted by HardRacing View Post
.

I think most are aware of the benefits of Nitrogen vs. normal air in car tires.
And we're seeing more and more cars and trucks with Nitrogen in their tires off the showroom floors. More Stable, less heat expansion, more consistent Pressures, and less Oxidation on the inside .
All the Nascar teams around us say they use Nitrogen in their tires. Plus we have always put it in the tires on our cars the past several years

Does anyone here use Nitrogen in their motorcycle tires? Street or Race bikes?
As it seems you don't have to mess with the tire pressures as much with Nitrogen.

Thoughts?



.

At a certain risk, I would "assume" you have a tank of 1800 PSI of nitrogen in your shop you use to charge up shocks, and of course your project bikes. Why not try it and let us know?
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post #9 of 13 (permalink) Old 11-05-2012, 07:44 PM
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hmmm

I use Nitrogen in my E-46 M3. Definately makes the tyres last longer.
But for bikes, I'm not sure...
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post #10 of 13 (permalink) Old 11-05-2012, 08:50 PM
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Quote:
Originally Posted by Chips View Post
So with the 78/21 mixture you are basically using atmosphere? 78% nitrogen 21%oxygen and 1% carbon is atmosphere?
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Dry air contains roughly (by volume) 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.

There may be lots of carbon (soot) around, but I doubt that it matters in your tyre
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