What am I doing wrong?

Wily-Quixote
Wily-Quixote Posts: 269
edited October 2012 in MTB workshop & tech
Bit of a numpty question, I have a Thomson seat post and my seat keeps slipping in it. I've already stripped one set of bolts trying to get it tight enough. Just when I think I've got I tigh I go for a ride, get uncomfortable and find the seat has changed angle by a couple of degrees.
Saddle is a prologo, standard Ti rails.

Comments

  • nicklouse
    nicklouse Posts: 50,675
    At a guess you are not seating the splines togther before tigtening the bolts.

    and may have now stripped the splines off.

    also it is best to tighten each bolt a bit at a time to get good clamping.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • The Rookie
    The Rookie Posts: 27,812
    nicklouse wrote:
    also it is best to tighten each bolt a bit at a time to get good clamping.
    This, only I'd say crucial not best!
    Currently riding a Whyte T130C, X0 drivetrain, Magura Trail brakes converted to mixed wheel size (homebuilt wheels) with 140mm Fox 34 Rhythm and RP23 suspension. 12.2Kg.

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