Re: [CR]1958 Campagnolo cranks in black?

(Example: Framebuilders:Masi)

Date: Thu, 20 Jan 2005 20:03:55 -0800
From: "Chuck Schmidt" <chuckschmidt@earthlink.net>
To: classicrendezvous@bikelist.org
Subject: Re: [CR]1958 Campagnolo cranks in black?
References: <200501210307.TAA23062@cascade.cs.ubc.ca>


Donald Gillies wrote:
>
> I would be a little bit surprised if campy threaded the cranks before
> they were anodized, since anodizing can change the surface of the
> threads by growing a hard oxide layer.
>
> My suspicion is that if the threads are black, then its an elementary
> after-market anodizing effort. A better after-market effort would
> mask the threads with masking compound before anodizing, so that they
> remained silver.(CUT)

Actually dimensional changes with decorative anodizing (not hard anodizing) is not an issue with threaded connections. All the OMAS Campagnolo hardware was black anodized without masking the threads and without machining the threads after the anodization is done.

Chuck Schmidt South Pasadena, Southern California

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