Re: [CR]Broken Retro Crank & Cupertino Swap

(Example: Framebuilding:Tubing)

Date: Thu, 12 Apr 2001 14:55:49 -0800
From: "Chuck Schmidt" <chuckschmidt@earthlink.net>
To: Classicrendezvous@bikelist.org
Subject: Re: [CR]Broken Retro Crank & Cupertino Swap
References: <Pine.GSO.4.20.0104121644000.13602-100000@comet.bluemarble.net>


Brandon Ives wrote:
>
> THe real problem point is where the spider meets the arm and there's a
> really sharp shelf there. To my annoyance I've found that one of my pair
> of Mavic SSC cranks has this crack and it's at least half way through the
> arm. This is what they get for copying a poor design, oh well.
> enjoy,
> Brandon Ives

My experience is that Campagnolo cranks typically break elsewhere before they ever break at the spider, which typically exhibits a crack with use, unless the web where the arm meets the spider is filed with a nice smooth radius.

Chuck Schmidt
South Pasadena, California