[CR]CCM cotterless cranks

(Example: Events:Cirque du Cyclisme:2004)

From: <Hughethornton@aol.com>
Date: Wed, 23 Feb 2005 08:02:24 EST
To: classicrendezvous@bikelist.org
Subject: [CR]CCM cotterless cranks

In a message dated 22/02/05 21:42:40 GMT Standard Time, vahdia@att.net writes:
> In Canada,starting in the thirties,CCM did a really cool steel cotterless
> on the real track bikes that has a triangular taper instead of square.
>

Does anyone know for sure when the CCM cotterless cranks were introduced? My CCM Flyer has these cranks and was supposedly produced in the late twenties. The serial number of the bike appears to be something like P11949, if anyone can suggest a date from that.

Hugh Thornton
Cheshire, England