Joined: Oct 2008
Posts: 1,616
Likes: 184
From: Frankfurt, Germany
Bikes: Focus trash find commuter, Eddy Merckx Corsa, BP Stealth TT bike, Leader 720 TT bike, Boardman Comp Hybrid drop bar conversion, Quantec CX budget cyclocross build, SerottaNOS frameset ready to build up!
Custom seat post is the answer here I think.
Get a cheap steel 31.6 post of the requisite length, cut out a wedge section and weld the bugger back up. Easily done and cheap too.