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How You May Want To Install The Carbon Seat-post...

Last post 10-16-2008 7:16 PM by Francis A. Rivera. 2 replies.
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  • 10-16-2008 1:54 PM

    How You May Want To Install The Carbon Seat-post...

    Good Afternoon all.   I've read so much about the Soloist-series Carbon Aero seat-post and its associated seat-tube collar I thought I would detail what it is I do prevent any of the complaints, gripes and problems a lot of you seem to be having.   I feel I can write the following because I've been building and working on racing bikes for the past 25 years and I've been a particularly avid fan of the Soloist Team for a couple of years now (I have 3).  I used to have those same aforementioned problems until I started doing the following: 
    1. What you need.   
      • Cervélo Soloist (w/ Carbon seat-post… no duh)   
      • Bike Grease (i.e. Phil Wood Waterproof Grease).   
      • Assembly Compound (i.e Tacx Dynamic Assembly Compound for Carbon).   
      • Torch Wrench w/ 5mm Socket (i.e. Craftman).   
      • Degreasing soap (i.e. Palmolive) & warm water.   
      • Tooth-brush.   
      • Q-tips.   
      • Clean towel for drying.   
      • Blow-dryer (if available). 
    2. Mark seat-post where it meets the top-edge of seat-tube collar. 
    3. Remove seat-clamp/saddle as this will make it easier to clean/install seat-post. 
    4. Disassemble seat-post and check its pieces for wear.   
      • Seat-post.   
      • Seat-tube collar (& its bolt).   
      • Seat-post shim (do not be alarmed if its discolored). 
    5. Clean, thoroughly, the pieces with the soap & water.   
      • Use tooth-brush to get at stubborn areas, in particular seat-post shim.   
      • Use q-tips to get at the seat-tube collar’s lip and bolt threads.   
      • Be rigorous with the seat-post shim but not so much you’ll snap it in half. 
    6. Dry, thoroughly, the pieces with a clean towel.   
      • Use q-tips to get at the seat-tube collar’s lip and bolt threads.   
      • Use blow-dryer to make sure all moisture gone. 
    7. Clean, thoroughly, the inside of the seat-tube.   
      1. Use tooth-brush w/ degreasing soap and water to clean as far down as your seat-post goes. 
    8. Dry, thoroughly, inside of seat-tube.   
      • Use towel then blow-dryer. 
    9. Grease inside of seat-tube.   
      • From the back to the front (both sides) the width of the seat-post shim.     
      • Try to apply a good/generous coat as far down as your seat-post goes (use the tooth-brush). 
    10. Apply grease to outside of seat-post shim, assembly compound to the inside.   
      • Be a little generous with the grease.   
      • Use a thin layer for the assembly compound (be thorough/use a q-tip). 
    11. Install Seat-post shim.   
      • Make sure shim tabs bent over top of seat-tube evenly. 
    12. Apply very thin layer of assembly compound to exposed inside front of seat-tube as least as far down as height of seat-post shim. 
    13. Apply thin layer of grease to inside seat-tube collar as well as its threads. 
    14. Install seat-tube collar.   
      • Make sure it’s seated evenly around the top of the seat-tube. 
    15. Apply very thin layer of assembly compound to the seat-post.   
      • Apply from installation mark (from step 2) to as far down as height of the seat-post shim. 
    16. Carefully slide seat-post down into seat-tube until installation mark meets top of seat-tube collar. 
    17. Tighten the seat-tube collar.   
      • USE A TORCH WRENCH (w/ 5mm hex bolt) SET TO 6 N•m!   
      • 6 N•m = 53.104 In-Lb or 4.425 Ft-Lb 
    18. Wipe any excess grease/assembly compound off the seat-tube/-post. 
    19. Put your tools and cleaning equipment away. 
    20. Don your bike gear and go RIDE IN PEACE! 
     Thanks for taking the time to read my post.  I hope you find these instructions useful.

     

  • 10-16-2008 6:25 PM In reply to

    Re: How You May Want To Install The Carbon Seat-post...

     Nicely written.   I don't have a  Soloist but much of that procedure applies to any bike with a carbon post.  I've got to ask though - why 3 Soloist Team bikes?  One for road racing, one for tri's, one for commuting?

  • 10-16-2008 7:16 PM In reply to

    Re: How You May Want To Install The Carbon Seat-post...

    Hi HarmsWay,

    ...and thank you!  I don't think some people are doing all they can or know all they should regarding seat-post installs.  I'm more than happy to help.  To answer your question as to why 3 bikes: I fix, build/rebuild and paint bikes as a hobby and have done so for a while (have my own little pseudo company, "Think or DIE! Bikes").  I just happen to like these frames.  They're just simply good!  I'm keeping one of the 3 (the white one shown in the "Pictures of your Cervelo" forum) and am re-painting the other 2 (my design).  Hope to have those up on E-Bay next week.  Cheers,

     FrancisR24

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