Re: [CR] PX-10 help

(Example: Books:Ron Kitching)

Date: Sat, 5 Sep 2009 10:11:03 -0500
From: "John Thompson" <johndthompson@gmail.com>
Organization: The Crimson Permanent Assurance
References: <9498ADC71BC24C93B70418548BEC598C@QWERTY28> <4AA13D78.3050807@att.net> <4AA15A48.5020209@aol.com>
In-Reply-To: <4AA15A48.5020209@aol.com>
Cc: Classicrendezvous@bikelist.org
Subject: Re: [CR] PX-10 help


On 09/04/2009 01:19 PM, verktyg wrote:
> Why would anyone design a system such as this? Why did they use 23.35mm
> extractor threads!
>
> "We are French. We come from France" Beldar Conehead

IIRC, Stronglight invented the square taper cotterless crank. I suspect they arbitrarily chose a 16mm bolt to hold it in place, then designed the extractor threading around that constraint.

--

-John Thompson (john@os2.dhs.org)
Appleton WI USA