Originally Posted by
SteelsReal
I Have a Steel frame with an aluminum post stuck in mine. I tried a hole thought the seat post with another shaft though that to get leverage in twisting it out. This ended up snapping the old seat post and now i have a bigger problem. I was considering spraying the seat post with some CO2 to cool it down and try pulling it out and was curious if anyone has tried that. Not sure if its the best option for the carbon fiber.
It has all been tried. Go to google, search: stuck seatpost site:bikeforums.net
You will find hundreds of threads on this topic. At some point, you will have exhausted every option but cutting it out. Hopefully it will come out before then.