Joined: Aug 2013
Posts: 833
Likes: 10
From: San Francisco
Bikes: '68 Raleigh Suberbe, '92 (German) Centurion Equipe, '85 Schwinn Peloton, 1983ish Zunow Road Racer project, '69 Squanch Super Tourer, 1980 Bianchi Super Corsa, '82 Austro-Daimler Vent Noir, '89 Miyata 914 project, 1982ish Bianchi Rallye
Thanks for the info. Dunno if the extension caused it, but I have the same seatpost on a bike and will have to keep an eye on it.
I've always been leery of these posts with a cast part jammed into and extuded one.