Yeah, my dutch cycling magazine always said that the story that steel frames
lose their stifness over time is a fairy tale. They measure frame stifness
themselves when testing bikes and know what they're talking about. Same thing
for the story that you have to deflate your tires when transporting you bike in
a plane. It's BS.
About aluminium, airplanes last longer than 5 years. Bikes are also made of high
tech aluminium.
Menno
"Les Humphreys (K)" wrote:
>
> My 1969 Dave Davey track frame feels as good as it ever did - I still use it
> for time trials.
>
> > -----Original Message-----
> > From: Perry McKenna [SMTP:[EMAIL PROTECTED]]
> > Sent: None
> > To: [EMAIL PROTECTED]
> > Subject: [obc] Metal life expectancy
> >
> > Hello all,
> >
> > I would like to know what is the life expectancy of the different frames
> > material. I have been getting conflicting info. One book (the new Lance
> > Armstrong) says that aluminum is only good for 5 years. I asked my bike
> > shop and they told me that Aluminum can fail after a while, but that it
> > depends on how hard and how much you ride but that you should be able to
> > get a lot more than five years.
> >
> > They also informed me that steel, will also weaken after about five
> > years(based on riding about 5000 km a year) and will no longer be very
> > stiff after that point. I always thought that steel would last a lot
> > longer than that.
> >
> > Does anyone know the facts?
> >
> > Perry
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