How do I pull out a carbon seatpost on a carbon frame? It seems so hard for me... Do I need a special tool, or just ask help from a local bike shop?


done with the seatpost. I made the frame and fork reversed hold the bottom bracket with my tripod, install a saddle on it and gave a big bang on the saddle about 20 times and done.

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    I know that often the seatpost gets stuck in a regular steel bike with aluminum or steel post. It sometimes helps to gently pry open the clamp. – Daniel R Hicks Jan 7 '12 at 13:33
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    Like I said, gently pry it open a hair. And if the clamp isn't bonded to the seat tube, gently pry open the slit in the seat tube. – Daniel R Hicks Jan 7 '12 at 14:16
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    can i use heat gun for carbon seatpost stack into carbon frame ? will it damage the paint job ? – Rick Ant Jan 9 '12 at 7:12
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    A hair dryer, maybe, but not a full-on heat gun -- too hot. If your intent is to expand the outer tube, you could try wrapping the tube with rags dipped in very hot water. – Daniel R Hicks Jan 9 '12 at 11:47
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    I reckon the heat gun question could be asked as a separate question on here, as it may have value to others – Rory Alsop Jan 11 '12 at 13:42
up vote 6 down vote accepted

Try to push the seat down slightly.The carbon weave can act the way those finger cuff toys we had as children did (the more you pull the tighter they get).By pushing down you release the grabbing action.Make sure you use something similar to Park Tool Carbon/Alloy Assembly Lube before you reassemble it,check with your local bike shop for their reccomendation.

  • I will ask for local bike shop for a help, it's an aero seatpost and it's carbon.... – Rick Ant Jan 8 '12 at 3:26
  • I think, the best way is, visiting a local bike shop and ask for assistant since the shape of the seatpost is, aero seatpost and tear drop model... – Rick Ant Jan 8 '12 at 7:28
  • can I insert another 10cm into the seat tube ? I have done 11cm inserted... – Rick Ant Jan 8 '12 at 9:18
  • can i use wd40 or plusgas ? – Rick Ant Jan 9 '12 at 5:57
  • i've been thinking, I put a saddle into the seatpost, put the frame upside down and try to hammer the saddle ...what do you think ? – Rick Ant Jan 11 '12 at 6:55

For Aero seatposts, smack the saddle nose solidly sideways with your hand, you should hear a loud crack, this is the surface tension breaking. Seatpost should then move OK. Saw this done by ex-Pro who was Giant dealer on a Propel, made my life so much easier since I learned that tip

  • Just to clarify, is this just for seat posts that can't rotate in the frame because they're not round ? Cos seems like good advice for all seat posts regardless of the shape. – Criggie Oct 26 '17 at 23:29
  • That's a great answer. Worked like a charm, thanks! Do you have any idea wether some kind of lube needs to be used on Propel's aero seatpost? Didn't receive any in the box so i didn't use any. – maephisto Jun 7 at 18:01

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