I have seen much of the same in Northern California on bicycles stored or in use near the ocean. And I was always told the salt and other elements in the air play a huge role in the corrosion of Campagnolo cranks, chainrings, hubs, pedal bodies and NR rear derailleurs, etc.
Ted E. Baer
Palo Alto, CA
>
> On May 26, 2006, at 3:29 PM, Wayne Davidson wrote:
>
> > Hi all & Robert, yes I got the pix & have replied.
> >
> > Re the CR, I've never ever seen this type of
> corrosion before lift
> > anodizing, never heard of it either. It does look
> quite factory,
> > came with
> > a bicycle I bought whoms NR set was 1973, so date
> wise looks fine,
> > but sure
> > is crazy seeing anodizing lift like this, will
> have to see if I can
> > scan
> > somehow, don't think my camera would be up to the
> task. Its not clear
> > coating either, has a real silver finish to
> it.....regards wayne
> > davidson
> > Invers NZ........
>
>
> I have seen two different Campagnolo cranks that had
> spent their
> entire lives exposed to the salt air blocks from the
> Pacific Ocean
> and had multiple splits length wise of three inches
> or more like a
> weathered piece of wood. The thick aluminum
> splinters actually
> curled like carving a stick with a whittling knife!
> The splits
> followed the grain direction of the crank forging.
>
> Chuck Schmidt
> South Pasadena, Southern California
>
> .
>
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