How to remove a seized seatpost | Steel frame, aluminium seatpost
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- เผยแพร่เมื่อ 1 ต.ค. 2024
- The seatpost on my steel Genesis IO has been seized for many years but as I am looking to sell the bike so need to remove it. So I'm in my buddy's garage and between us we are going to sort it.
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For anyone still struggling we flipped the bike bottom bracket angled downward and pulled downward while turning with some force it worked its way out under a minute.
Great comment, have pinned it 👍
You should heat the downtube not the seatpost as heat expend metal. In fact heating the downtube while wrapping icepacks around the seatpost is a better way. And lot of penetrating WD40.
Thanks great tips, hopefully of benefit for others out there 👍
Should have removed the cage bolts as well.... Squirted some WD in there when upside down in the vice
Good tip, thanks
Your use of the heat gun is complete nonsense as you haven't understood the material properties. Aluminium expands much more under heat than steel. So you should cool the alu seatpost (shrinks in the cold) and heat up the outer steel seat tube (expands under heat). Btw. at 220°C the aluminiumhydroxide from the corrosion breaks up and you can remove the seatpost with little force. No problems with the paint at 220°C.
You are absolutely right, didn't know that. We were only making it harder for ourselves 😠
Hi I was advised by a bike shop once to use coke the fizzy drink I thought he was having a laugh but it actually worked
Wow, not heard that one before. Maybe worth a try next time.
@@themuddycyclist yeah I was surprised when the guy told me bit of messing about having to remove the cranks and bottom bracket just pour coke down the seat tube leave overnight and it came straight out
Pro tip 😎😁
the diet variant or the normal one?
@@TheRollingDices original will give extra boost ☺️
Be advised, the heat gun cannot work on its own, as the thermal expansion of aluminium is larger than steel so either it will size more or crack frame.
Thanks 🙏
ive got the same problem and after watching you two cowboys at work. not looking forward to removing mine haha
😆, fair point, but we did get the job done!
That was wonderful. I don't have a vice.
Maybe you have a birthday coming up?
too bad they you can't rotate the vice upside down so that the weight of the bike is helping..
Would have been nice but we got there in the end
I had a seized post to not wanting to wreak the frame I took it to a man who has done 2000 seat posts. 2 hours later all done and off home. this is so much cr......
Pleased it's sorted 👍
Brother you just saved me a ton of work with your video. Flip the bike upside down and put the post in the vice. Thank you so much !!!!
Pleased vid was useful 👍
A can of coke or any thing similar will help sort that issue
Top tip 👍
Why not use a 3 foot pipe wrench after putting PB anti seize at the top and the clamp slit.. Then use heat on the bike frame to expand the frame.. and ice pack on the seat tube to shrink it'
WD40 swearing and a hammer
Plenty of both!
I always slap some Greece on the post.
Never use quick release as they go solid in no time.
You risk damaging the saddle locking it into a vice.
Glad you're mate got it released in no time.
Re do the seat post with a good quality Greece twice a year and it will move easily.
I do generally grease my seatposts, but this one got left for too long as bike wasn’t being used. Big mistake!
@@themuddycyclist Not only seatposts, check your through axle, I had hells game to remove a rear seized one, I now check every few months and clean/grease.
I slap some Cyprus on the post...
@@viktorreznov1548Greece means grease in a liquidity crisis.
Ok, i will try mine.... Hope it will be an easy two man job.
@@mohongzhi good luck 😆
Does your table is fixed on the ground?
Sorry, don’t understand what you mean
@@themuddycyclisthe meant if it is screw down to the floor
@@Full_Throttle_no_Brakes Oh, I understand. Wasn't my garage but don't think it did.
Amazon was 1991.
Wow, nearly as old as me!
If the aluminum seatpost and aluminum frame are stuck, how do you remove it?
Not had that combination of materials but suggest the same method I used will work for you. Good luck 👍
@@themuddycyclist oke, next I will try