Re: [CR]Internal expander seatposts ??

(Example: Framebuilding:Paint)

Date: Tue, 20 Apr 2004 12:16:01 -0400
From: "Martin Needleman" <mrndlmn@toad.net>
To: Donald Gillies <gillies@cs.ubc.ca>
Subject: Re: [CR]Internal expander seatposts ??
References: <200404201530.IAA13038@cascade.cs.ubc.ca>
In-Reply-To: <200404201530.IAA13038@cascade.cs.ubc.ca>
cc: classicrendezvous@bikelist.org

I'm looking at a fluted French made ATAX expander type alloy seatpost. Size is 26.4mm. Also marked 01_1986 and so, apparently, off topic. Certainly not Singer and not Herse.

Martin Needleman Annapolis, MD

Donald Gillies wrote:
> My modern (1998 TREK 2300) superbike just split its aluminum seat lug
> at the base of one of the lug ears, and the frameset is ruined. I
> have held a funeral and am sending it to that great crematorium in
> wisconsin for recincarnation as a completely different frameset from
> the bike gods at TREK.
>
> This got me thinking about internal expander seatposts. Jan Heine
> tells me that expander seatposts are an "Alex Singer" exclusive
> feature. Is this really true ?? Did any other maker ever sell
> expander seatposts ?? By this I mean a seatpost that operates upon
> the same principles as a quill stem.
>
> Alas, my bike was 3 tubes carbon and so an expander would probably
> split open the carbon tubes and would therefore not solve my problem.
>
> - Don Gillies
> San Diego, CA
> _______________________________________________


>

> .