bruce thomson wrote:
> My small flange hubs have the thread pitch stamped between the end of the f
> reewheel threads and the flanges. My High Flange hubs do not. But on
> some there are grooves. No groove meand ??, one groove means??, and two
> grooves mean ?? I saw this information at least one time earlier and
> now cannot find it. If anyone has the answers AND a source please reply.
Your large flange hubs are older than your small flange ones; Campy only started printing the thread pitch in the early 80's IIRC. A single groove on an older Campy hub indicates English threading. 2 grooves is French, no grooves is Italian.
-John Thompson (firstname.lastname@example.org)
Appleton WI USA