Re: [CR]70's vintage triple crankset??

Date: Thu, 27 Dec 2007 12:42:17 -0600
To: "Daniel Artley" <dartley@baltimorecountymd.gov>
From: "Mark Stonich" <mark@bikesmithdesign.com>
Subject: Re: [CR]70's vintage triple crankset??
In-Reply-To: <47739A69.CB1D.00FE.0@baltimorecountymd.gov>
References: <47739A69.CB1D.00FE.0@baltimorecountymd.gov>
cc: Classic Rendezvous <classicrendezvous@bikelist.org>

At 12/27/2007 12:28 PM -0500, Daniel Artley wrote:
>I have to correct Jerry Moos in that Avocet cranks had drillings for a 74
>mm. bolt circle, which went to a really low possible gear.

You're both right. Avocets had 102 and 74mm BCDs on the same arms. http://tinyurl.com/2ac6bk

IIRC this was the 1st use of the 74mm BCD and news of it reached me 2 days after I had my Campi tandem arm drilled and tapped to 86mm for a Stronglight 28t. We're not strong riders and could have used a 24t many times.

Mark Stonich;
     BikeSmith Design & Fabrication
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