Another idiosyncracy on the Mk I and perhaps later Pros as well. Mine has 172.5 cranks, even though it is only a 21" frame. I understand this was very common, at least on the Mk I.
Regards,
Jerry Moos
Big Spring, Texas, USA
> From: P.C. Kohler <kohl57@starpower.net>
\r?\n> Subject: Re: [CR] Raleigh Professional
\r?\n> To: "Eric Meddaugh" <eric.m@rocketmail.com>, "devotion finesse" <devotion_finesse@hotmail.com>, "CR discussion list" <classicrendezvous@bikelist.org>
\r?\n> Date: Tuesday, February 24, 2009, 7:11 AM
\r?\n> My recently acquired 1970 Mark I Professional ("The
\r?\n> White One") measures:
\r?\n>
\r?\n> Seat tube: 25" c to c (63.5 cm)
\r?\n> Top tube: 23" c to c (58.5 cm)
\r?\n>
\r?\n> Haven't got my completely unmathematical mind around
\r?\n> how to easily measure frame angles, but eyeballing this, I
\r?\n> am guessing 72 seat tube, maybe 73 head. The Mark Is were of
\r?\n> course quite different in frame design and possibly angles
\r?\n> (although the proportion of seat and top tube measures seems
\r?\n> on par with Eric's). She's not yet built up (maybe
\r?\n> in three weeks) so I am not sure of the bb height.
\r?\n>
\r?\n> Peter Kohler
\r?\n> Washington DC USA