[CR]Campy #660 braze-on control boss - repair or should I replace?

(Example: Events:Cirque du Cyclisme:2002)

From: "Steve Neago" <questor@cinci.rr.com>
To: <classicrendezvous@bikelist.org>
Date: Tue, 12 Aug 2003 15:37:32 -0400
Subject: [CR]Campy #660 braze-on control boss - repair or should I replace?

Hello,

I have a Raleigh Team Pro frameset with a Campy #660 control boss that needs minor repair. Apparently, the previous owner managed to strip the threads on the right side control boss by inserting misalligned the #604/1 adjusting wing nut. The result is that the downtube shifter wing nut will screw in, but not tighten properly & causes unwanted gear changes.

Do you have any suggestions on how I repair/redo the control boss threads without having to repalce the complete control boss? I can purchase a metric tap set, but the original threads are probably too loose. I do not want to have to glue the adjusting wing nut into the control boss. Also, I prefer not to use handlebar fingertip shifters.

Any suggestions?

Thanks, Steve Neago
Cincinnati, OH