Caustic soda. Last resort to a stuck aluminium seatpost in a steel frame. The aluminium desolves and the steel left alone as the theory goes. This was... | By Roots Cycles | Facebook
![Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having the bike on its side and standing on a pipe wrench. 5lb slide hammer had no effect. Suggestions? : r ... Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having the bike on its side and standing on a pipe wrench. 5lb slide hammer had no effect. Suggestions? : r ...](https://preview.redd.it/stuck-aluminum-seatpost-in-carbon-frame-packed-with-dry-ice-v0-hnehy8w2nrv91.jpg?width=1080&crop=smart&auto=webp&s=0bee00727e810fb8ea764b448884101de11b6297)
Stuck aluminum seatpost in carbon frame. Packed with dry ice. Have had dry ice around the outside for 10 minutes. I was able to get it to twist a bit by having the bike on its side and standing on a pipe wrench. 5lb slide hammer had no effect. Suggestions? : r ...
![Stuck seatpost in very rare steel frame i saved from a trip from being possibly thrown away! Help! : r/bikewrench Stuck seatpost in very rare steel frame i saved from a trip from being possibly thrown away! Help! : r/bikewrench](https://preview.redd.it/8fe0ir6jyrz61.jpg?width=640&crop=smart&auto=webp&s=8ed24606f0a052a106bbad94eebb1efac58a740d)