Technical & Reference Section > Tech and Restoration

Seat post removal?

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David:
The Sheldon Brown website has some good sound advice with regards to this problem.
He advises using ammonia rather than WD40 when dealing with alloy posts.

http://www.sheldonbrown.com/stuck-seatposts.html

I think his site is down at the moment. But I have found the page using the Way Back Machine.

http://web.archive.org/web/20050303172233/http://www.sheldonbrown.com/stuck-seatposts.html

If that link fails, use the Way Back Machine yourself - www.archive.org

 "use one of the yellow BMX saddles you have in the cellar that will never sell anyway" :LolLolLolLol:


 

cd:
Arghhh, school chemistry. Acid for the steel and a base for the alloy. Makes sense hence the previous post re the caustic soda. I have some sodium hydroxide crystals around so I should be able to give it a go.

Many thanks

cd

sawzall:
if all else fails drill the fooker out, takes forever if its a steel one but worth the effort to save a frame :daumenhoch:

elmo:
I used costic on my firebird did not touch the chrome on the frame and got the seat post out.
hope yours is not as far down as mine was cos it took ages but nothing else worked

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