Kyle Brooks wrote:
> See Sheldon Brown's website -- under Bike Glossary, and Threading Systems
>
> http://www.sheldonbrown.com/
>
> He has descriptions of most of the threaded parts on bicycles, including
> some of the obsolete systems. And yes, the water bottle bosses are usually
> the same size and threading as rack/fender eyelets, and also shift lever
> bosses.
Although for shift lever bosses you'll probably want to use a bottoming tap to chase the threads all the way down.
--
-John Thompson (john@os2.dhs.org)
Appleton WI USA