Fitting carbon seatpost to alloy frame

dru Posts: 1,341
edited February 2010 in Workshop
Hi people,

Got a carbon seatpost for my alloy frame. Can I just use normal bike grease and tightenen up finger tight with my allen key (as I don't have a torque wrench?)

Any other top tips?




  • Wappygixer
    Wappygixer Posts: 1,396
    Best not to use grease but use cabon assembly paste like this
    You can tighten with standard allen keys but be very carefull you don't crush your seat post, its so easy to do.
  • topdude
    topdude Posts: 1,557
    If you use grease it will slip, hairspray works well and a lot cheaper than assembly paste.
    As far as tightening the clamp, you will need to do it up quite tight by hand with a normal allen key. In fact i doubt you could do it tight enough by hand to do any damage.
    He is not the messiah, he is a very naughty boy !!
  • thel33ter
    thel33ter Posts: 2,684
    I just put mine in and it seemed fine
    And now you know, and knowing is half the battle
    05 Spesh Enduro Expert
    05 Trek 1000 Custom build
    Speedily Singular Thingy
  • Does anyone know if these are any good?
    Carbogrip is a special high-molecular weight silicone resin that, sprayed on a component, creates a strong grippy surface.

    - prevents part slippage and the consequent overtorqueing of the fixing bolts
    - facilitates clamping of smooth carbon parts
    - anti-seizing
    - perfect as threadlock (steel, titanium, aluminum, carbon bolts)
    - waterproof
    - very easy to use: no need for brushes as with other assembly pastes/liquids ... -15727.htm
    5 gram sachet.
    Creates extra friction between two surfaces, allowing tightening torque to be reduced
    by up to 30%.
    Particularly useful for use where over-clamping can damage sensitive components such as Carbon bars or steerer tubes.
    Approved for use with carbon, steel, alloy and titanium surfaces.
    Use with Ritchey Torqkey to ensure safe installation of Ritchey bars and stems.