On 10/27/2009 10:17 AM, Charles Andrews wrote:
> So, in the ongoing saga of this Mondia Special frame I bought in a
> moment of madness..I did find a swiss bb fixed cup (thanks Richard!)
>
> But, now, after much elbow-grease (basically, re-tapping the worn
> threads with the cup), I simply cannot get the cup to go on the last
> two mm or so. I've been using the usual campagnolo cup-wrench, not
> the big shop-tool version. I know that wrench is pretty much useless
> for anything more that a snug cup, but I have managed to use it to
> get the cup in almost tight.
>
> What I really need is to find someone--or a shop--that still has
> swiss taps. Any suggestions?? Anyone know of a shop or person who
> would have a swiss tap so I can do this job right? I really don't
> want to break out my VAR-copy cup tool and force the thing in,
> although I will if I can't find someone with the right tap.
If you have a Dremel, you can make a thread chaser out of a fixed cup by grinding a couple slots across the threads to catch the debris:
http://os2.dhs.org/
Given that Swiss cups are fairly rare, you could still use the cup after this modification.
--
-John Thompson (john@os2.dhs.org)
Appleton WI USA