Don't know about reasonable price, but Stein Tools still makes one, which should be available at Bike Tools, Etc. or your LBS can order one. Actually 23.35 mm.
Regards,
Jerry Moos
> From: Bob Hillery <rhillery@hawksi.org>
\r?\n> Subject: [CR] Tool search
\r?\n> To: classicrendezvous@bikelist.org
\r?\n> Date: Monday, September 7, 2009, 3:20 PM
\r?\n> Stronglight cotterless crack puller -
\r?\n> the 23.5 mm diameter older variety ...
\r?\n>
\r?\n> Does anyone have a spare or one they are willing to part
\r?\n> with for a reasonable price plus postage?
\r?\n> Or, do you know of a source for such a tool?
\r?\n>
\r?\n> Bob Hillery
\r?\n> Stratham, New Hampshire, US