Seatpost clamp size

TiBoy
TiBoy Posts: 366
edited January 2010 in MTB buying advice
I am looking for a new seatclamp for me Spec Rockhopper, I am pretty sure the seat post is 27.2 mm, the clamps that I am looking at come in 30mm 31.8 and 34.9mm, what size will I need?
Sunday September Ultegra SL
Raleigh and BSA single speed
Specialised Rockhopper comp disc
And some others

Comments

  • Andy B
    Andy B Posts: 8,115
    size should be on the old clamp (inside usually)

    If the post is a 27.2 it should be a 31.8 clamp.
    2385861000_d125abe796_m.jpg
  • nicklouse
    nicklouse Posts: 50,673
    edited January 2010
    looked on Spesh's webby?

    dont forget that the seat clamp is often the same size as the front mech band.

    the year would also help.

    2007/08/09/10 had 30.9mm seat posts.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • TiBoy
    TiBoy Posts: 366
    Cheers Andy, did not think of that one. Feel a bit of a fool.
    Sunday September Ultegra SL
    Raleigh and BSA single speed
    Specialised Rockhopper comp disc
    And some others

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