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  1. #1
    mtbr member
    Join Date
    Dec 2004

    Slowing Down the SIR 9s Handling

    I've been riding my rigid SIR 9 (Niner steel fork) for about a year. I found the handling to be just about perfect when I was riding singlespeed. Now that I've gone 1x9, a find it somewhat fast, almost twitchy. Why does gearing matter? On the 1x1 I put most energy into the climbs and didn't try to put much power down on the flats and slight downhills as I'd just spin out. Not so with the 1x9.

    I want to keep it rigid as a have a 6" 26er f/s for the days I want to ignore rocks. On the other hand, I've hit two trees in the last four rides. Slow enough not to break anything but fast enough that it really hurt. Sort of the everything was going well type situation and then the bike bounced me off the trail due to relatively minor rocks.

    Is there some way to put a spacer under the fork race to slacken the head angle just a bit? Not looking for anything radical.

  2. #2
    Bad Case of the Mondays
    Reputation: Jdub's Avatar
    Join Date
    Jan 2004
    The perceived twitchiness has nothing to do with gears, other than perhaps you are carrying higher speeds on a geared bike.

    Regardless, Ventana does make a headset spacer for Chris King headsets (may fit others, I don't know) that will slow down the steering a bit.

  3. #3
    blog hogs
    Join Date
    Feb 2010
    Might want to check out that new adjustable headset from cane creek.
    Ignore them till they go away.It's corporate policy.

  4. #4
    Bad Case of the Mondays
    Reputation: Jdub's Avatar
    Join Date
    Jan 2004
    Quote Originally Posted by blog hogs
    Might want to check out that new adjustable headset from cane creek.
    I think that is only going to work for 44mm / 1.5 head tubes. Unless I missed it, the SIR9 has always and still does have a standard 1 1/8" head tube.

  5. #5
    mtbr member
    Reputation: Dscarbs's Avatar
    Join Date
    Feb 2004
    longer stem

  6. #6
    WNC Native
    Reputation: nitrousjunky's Avatar
    Join Date
    May 2006
    What year is your frame and which length fork are you running (470 or 490mm)?
    "I ride to clear my head, my head is clearer when I'm riding SS. Therefore, I choose to ride SS."~ Fullrange Drew

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