a frame builder told me to feed oil to it and give it a whack with a mallet everyday when you walk past it and it will eventual free off. if youre prepared to oil it and wallop it all the time that would be the safest way, will just take ages.
there is a guy who extracts seat posts somehow without damaging anything, on a bike like this it may be worth taking to him http://www.theseatpostman.com/
a frame builder told me to feed oil to it and give it a whack with a mallet everyday when you walk past it and it will eventual free off. if youre prepared to oil it and wallop it all the time that would be the safest way, will just take ages.
there is a guy who extracts seat posts somehow without damaging anything, on a bike like this it may be worth taking to him http://www.theseatpostman.com/