Yes Mark's quite correct - it shows you shouldn't rely on your memory! 5t gets worse as you get older.
Hilary Stone
Mark Bulgier wrote:>
> Minor correction, those old Stronglights are a nominal 23.35mm thread (which
> measures about 23.2mm). The newer ones are the modern standard, 22.0mm
>
> A reminder: If you have one of those old Stronglights, *don't* use a TA
> extractor, or the larger side of the old two-sided Park extractor - they are
> 23.0mm They will fool you because they seem at first to work - they thread
> into the crank, but will extract the threads from the crank instead of the
> crank from the axle!
>
> So buy Hilary's tool if you don't have one- -they're getting rare and even
> if you don't have that crank now, you will want to work on one someday.
>
>> STRONGLIGHT 22.2mm crank extractor [...] This fits all the
>> earlier pre 1983 Stronglight chainsets.