Hi Scott:
If you don't have a standard track cog to try the threading, a standard freewheel has the same threads. In fact you can make a fixed gear from a standard hub, but it won't have a lockring (must use front & rear brakes).
Roy H. Drinkwater Lititz, PA
>I recently cancelled another auction for Shimano 10
>Dura Ace track hubs. I guess they are 70s or early
>80s vintage. I thought they were standard track hubs,
>so I cancelled the auction when I got an e-mail
>claiming this:
>These Shimano track hubs are from a 10 millimeter
>pitch group. The hubs are threaded for a 10mm cog. A
>standard track cog will not fit so these hubs are
>useless to anyone that does not have a 10mm cog, chain
>and crank/chainring.
>
>Any body out there able to confirm or repute above??
>
>Here's the Link:
>http://ebay.com/<blah>
>
>Scott in StPaul MN