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Need advice on keeping seatpost to stay put

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Old 13-01.-2006, 06:59 AM   #1
Buzzard555
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Location: Reno, NV
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Default My seatpost won't stay put

I just puchased a thudbuster seat post for my Mountain Cycle-Rumble. Love the the seatpost but I can't seem to get it to stay put. The seat post is the correct size for the frame. After a few miles it seems to work it's way down about an inch or so. I've replaced my seat post clamp with a proper sized specialized quick realease, which seems to be clamping around the seatpost with plenty of pressure, but it still telescopes down when ridden. I'm beginning to get a little frustrated. The old carbon fiber seatpost with a shim never slipped on me so I am confused to why the new seat post simply won't stay put.

Thanks for any suggestions and you will receive much karma if yours solves my problem!

Last edited by Buzzard555 : 13-01.-2006 at 09:41 AM.
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Old 13-01.-2006, 11:46 PM   #2
Scotty_Dog
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Default Re: Need advice on keeping seatpost to stay put

The usual fixes for this problem are:
1) remove excess grease from the seat post and seat tube.
2) tighten quick release seat post clamp, or replace with a bolt type clamp.
3) add a thin shim around the seat post, such as a piece cut from an aluminum can.
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