hi, would u be better of with vacuum in the frame?

  mark k
----- Original Message ----- 
From: "james wade" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, June 23, 2002 12:39 AM
Subject: RE: nitrogen filled tires


> Ive heard of bmx racers using helium? These days those guys are weight
> crazy and all, so yeah its like they want a lighter bike and all that. I
> even heard of a guy putting helium inside his frame (ie. inside the
> tubing). talk about kooky.
> 
> -james
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]] On Behalf Of mark krawczuk
> Sent: Saturday, 22 June 2002 8:04 PM
> To: [EMAIL PROTECTED]
> Subject: Re: nitrogen filled tires
> 
> 
> i believe that  some racing  pushbikes use nitrogen in the tyres?
> 
>   mark k
> ----- Original Message -----
> From: "James Cox" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Saturday, June 22, 2002 1:32 PM
> Subject: RE: nitrogen filled tires
> 
> 
> > Actually I think they do that to maintain a constant tyre pressure 
> > since nitrogen is less likely to expand with heat increases, a common 
> > practice
> in
> > some forms of motorsport.  If he really intended to make the tires 
> > lighter he should have uses helium.
> >
> > Jame Cox
> >
> >
> > >
> > >No
> > >I have only ever seen a bloke fill his tyres with nitrogen to make 
> > >them lighter, similar to bridge construction (true story)
> > >
> >
> >
> > _________________________________________________________________
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> 
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