Re: [CR]Putting a 6 or 7 speed freewheel on a 5 speed rear end

(Example: Framebuilding:Brazing Technique)

Date: Sat, 15 Nov 2003 01:41:08 -0500
From: "David G. White" <whiteknight@adelphia.net>
To: r cielec <teaat4p@yahoo.com>
Subject: Re: [CR]Putting a 6 or 7 speed freewheel on a 5 speed rear end
References: <20031114233237.66078.qmail@web41012.mail.yahoo.com>
In-Reply-To: <20031114233237.66078.qmail@web41012.mail.yahoo.com>
cc: classicrendezvous@bikelist.org

I've received quite a few responses -- on and off list. Thanks! What a great group! It'll take me at least a few days to digest it all. When I do I will attempt a summary to the list.

David -- it's a delight to have access to such supportive people -- White Burlington, VT

r cielec wrote:
>David:
>'
>I'm interested in the responses. If any are sent to you Off List, may I please ask that you post them just on general principle of sharing information? That is, of course, if content allows.
>
>Richard Cielec
>Chicago, Illinois
>
>"David G. White" <whiteknight@adelphia.net> wrote:
>I fear the purists will be horrified, but as part of a restoration
>project this winter on what appears to be an early 80s Colnago Super
>frame, I'm thinking about using a 7 speed freewheel. Come on guys, give
>me a break! I live in Vermont where all rides are hilly and my middle
>aged legs really appreciate the extra gear ratios! Anyway, I'm looking
>for advice on how to do this.
>
>I just purchased the frame. It can be seen at:
>.
>I know the rear stays may need to be spread slightly -- the frame
>arrived yesterday and I haven't had a chance to measure the existing
>width. Aside from that a few questions:
>
>1) How careful do I need to be about which Campy hubs I use? Can I
>simply use any 6 or 7 speed hub with a 126mm width?
>
>2) Is it possible to re-build an older 120mm Campy Record hub using a
>wider axle and some spacers? Will the 6 or 7 speed freewheels go on? Or
>is there a difference in the freewheel threading as well as the axle?
>
>3) Does a Campy Nuovo Record rear derailleur have sufficient travel
>range to handle a 7 speed freewheel? How about the Super Record rear
>derailleur?
>
>4) Are there other issues of which I should be aware?
>
>Thanks!
>
>David -- the impure -- White
>Burlington, VT