Re: [CR] Snapped ajustment screw

(Example: History:Norris Lockley)

Content-class: urn:content-classes:message
Date: Mon, 15 Mar 2010 16:00:36 -0700
In-Reply-To: <9103102d1003151544l265e9b4bh3568ecd45ce77a5d@mail.gmail.com>
Thread-Topic: [CR] Snapped ajustment screw
thread-index: AcrEkREAwNzTWbiuRymMJoUWZUq33wAAOz9g
References: <9103102d1003151544l265e9b4bh3568ecd45ce77a5d@mail.gmail.com>
From: "Mark Bulgier" <Mark@bulgier.net>
To: "Jack Gabus" <jgabus@gmail.com>, "CR" <classicrendezvous@bikelist.org>
Subject: Re: [CR] Snapped ajustment screw


Jack Gabus wrote:
> I have a snapped adjustment screw on a back drop out. You know
> the bad one where no one can get to it. Any new great ideas on how to
> remove it or am I toast.

You might ask Bill Davidson (of Davidson Cycles / Elliott Bay Bicycles in Seattle). He has taken frames with that problem to a machinist with a wire EDM, which I believe stands for Electron Discharge Machining and is capable of drilling a very accurate hole. After drilling out the body of the screw, the dropout threads can be chased with a tap. Don't know what it costs but it was deemed worth it to save a nice frame.

Davidson's guy isn't the only place to have that done of course -- you may know a local machinist you can take it to.

Most dropouts can be replaced by a framebuilder too, not too expensive usually, but it ruins the paint of course.

Mark Bulgier
Seattle WA USA