SASS Specific; stopping the seat post from slipping- Mtbr.com
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  1. #1
    Retro Grouch
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    SASS Specific; stopping the seat post from slipping

    The aluminum seat post on my SASS has always slipped and there seemed nothing I could do about it. Then, remembering about my slipping fork ends caused me to dremel out a small about of material from the seat tube. It may seem counter intuitive but it worked! No more slipping. I know why, do you?
    Just one more rep and I get the toaster!

  2. #2
    Mtbr Forum Sponsor - Homebrewed Components
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    where did you dremmel out the material? i assume under where the clamp goes so it would compress the frame into that void to prevent it from slipping?

  3. #3
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    Quote Originally Posted by ISuckAtRiding
    where did you dremmel out the material? i assume under where the clamp goes so it would compress the frame into that void to prevent it from slipping?
    The material was taken from the first 3/8" inside of the seat tube.
    Just one more rep and I get the toaster!

  4. #4
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    What are you using to hold it in place? QR, binder bolt, other? Mine was doing that on my Muss until I switched to a binder bolt.

  5. #5
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    Quote Originally Posted by stumonky
    What are you using to hold it in place? QR, binder bolt, other? Mine was doing that on my Muss until I switched to a binder bolt.
    I am using a binder bolt. I determined the cause of the slipping was residue chrome plating on the inside of the clam area. Once I ground it out the seat post stopped slipping.
    Just one more rep and I get the toaster!

  6. #6
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    Hence reaming out the tube! I also use a carbon prep on mine. I was having a horrible time w/ my Blue RC8 (carbon frame) and my carbon post. Since the stuff can be used on either alum or carb I now put it on my bars (carbon bars-alu stem) and my post which is now alu and all is working great.

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