Hi Amir,
As far as I'm aware, Granby had special lugs made for their taper tubing, and I wouldn't be surprised if Selbach did the same - they may even have used the same lugs, since they collaborated on the tubing.
What's the situation with your Selbach?
Neil Foddering Weymouth, England
>From: Amir Avitzur <avitzur@013.net>
>To: Classicrendezvous <classicrendezvous@bikelist.org>
>Subject: [CR]1 1/8" Tapered Top Tubes
>Date: Sun, 28 May 2006 20:26:49 +0200
>
>
>
>Due to the very unfortunate absence of one of the more esteemed members of
>this list,
>I feel it my duty to fill in some gaps in the 1 1/8th Top Tube discussion,
>namely,
>that tapered top tubes were probably invented to get around the joint issue
>with old frames.
>
>Selbach's "Improved Taper Tube Frames" used (and I quote):
>
> TOP TUBE ... ... 1 1/8-ins. tapering to 1-in
> DOWN TUBE ... ... 1 3/8-ins. tapering to 1 1/8-ins
> SEAT TUBE ... ... 1 3/8-ins. tapering to 1 1/8-ins
>
>Represents the "LAST WORD" in scientific cycle frame construction. Each
>frame is built throughout with Reynolds' Best Quality Gauge Tubing.
>Frame whip is eliminated.
>
>For lack of any proper framebuilding experience, I'm guessing that standard
>lugs could be used on such a frame.
>
>Wish I had one for comparison.
>
>
>
>Amir Avitzur
>R"G Israel