Re: [CR]Internal expander seatposts ??

(Example: Component Manufacturers:Campagnolo)

From: <rodk3d@comcast.net>
To: Donald Gillies <gillies@cs.ubc.ca>
Subject: Re: [CR]Internal expander seatposts ??
Date: Tue, 20 Apr 2004 15:38:02 +0000
cc: classicrendezvous@bikelist.org

oh yea, I had a few 501 tubed Peugeot's that had a quill type seatpost. I think the Peugeot's were PSV-10's maybe? Also a friend has a Schwinn 864 or something like that aluminum bike that has either a Suntour or Sugino quill seatpost.

Rod Kronenberg Fort Collins, CO
> 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