Thanks for those dimensions. I don't suppose the undersize axles would properly fit any of my old bikes. Are these sizes considered normal for track bikes or only the really old bikes? I was only interested in retrofitting my wheels and not building or buying any more complete wheels. Too many wheels and bikes here already!
David Snyder
Auburn, CA, USA
> David Synder wrote:
>
> I bought a full set of Huret Luxe wingnuts at a recent swap, in the hopes
> of using these with a typical '70's wheelset. Seller told me they had
> standard threading.
>
> Neither fits Campy or Japanese QR or solid axles I have here. The rear
> appears to be 9.5 or so but doesn't fit a 3/8" solid axle either. Front
> seems to be 8mm. The rear ones fit loosely on a front Shimano QR axle,
> and the thread pitch seems right on or very close.
>
> <snip>
> According to Sutherland's 4th ed,
> French would be 8mm * 1.0 mm front and 9.5 * 1.0 rear
> Campy would be 8mm x 26 tpi front and 9.5 * 26tpi rear
>
> 1.0 mm thread pitch is, of course, 24.5 threads per inch, so French won't
> interchange happily with Campy.
>
> BTW, it is characteristic of Italian/Campy thread to use metric diameter
> and "English" threads/inch. I've always assumed that they had
> predominantly US/English machine tools, but don't know the real reasons.
>
> harvey sachs
> mcLean VA