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bought a bike for £15 then spent another £15 on a seat post the old one being hacked off and the residue left in the frame where it can not be easily convinced of the error of its ways.
I can't use the present post without cutting it down and don't want to cut it down. It's worth more than the bike at the moment.
The pedal crank housing prevent pushing the old piece out and it may have some rust or chrome peel or just dirt... whatever holding it in situ.
Anyone ever come across anything like this?
I'd use 12" of 22mm copper pipe slit down its length. Then scan the inside of the problem and apply some sort of cement glue to locations on the copper pipe outer surface to line up with 3 or 4 good areas of the stuck part. let the cement dry and twist and pull and curse like you have never cursed before. And depending on if you curse well enough, it'll shift.
Arthur