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  1. #1
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    Jamis Sputnik Seat/Post/Bolt Question

    My seat seems to be dropping slowly but surely as I ride. The bike is two weeks old.

    Do I need to be much more brutal than I have been on the bolt, or do I need to replace the bolt with a better part? Or is this a question that can't be answer without looking at the bike.

  2. #2
    VOTE FOR KEN WIND Ken Wind's Avatar
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    I would try tightening it more. Maybe try tightening it on the opposite side you've been tightening.

  3. #3
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    get some fine grit sandpaper (500'ish) and rough up the surface of the inside of the seat-tube and seatpost where it drops into the tube slightly. That will help them grip better. Don't over tighten the bolt.

    Seatpost slippage is common on a new bike, like yours.

  4. #4
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    Thanks much for the advice.

    I will get some sandpaper this afternoon. When I removed the seatpost from the seattube in preparation, I noticed that there is a ton of thick white grease on the tube. Taking that off should help as well, I assume. I am happy to know that I should not go nuts trying to tighten it.

  5. #5
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    Quote Originally Posted by JamesGoodman View Post
    Thanks much for the advice.

    I will get some sandpaper this afternoon. When I removed the seatpost from the seattube in preparation, I noticed that there is a ton of thick white grease on the tube. Taking that off should help as well, I assume. I am happy to know that I should not go nuts trying to tighten it.


    Ya, the grease will do it. I bought a Jamis road frame in the spring and noticed the seatpost tube was greased, on a carbon frame. I thought it odd but once you clean it out it would be fine. If you still get slippage use some sandpaper.

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