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  1. #1
    mtbr member
    Join Date
    Jun 2009

    Headshok Ultra Si help

    My Cannondale MTB has Headshok Ultra Si and the frequency of pumping air into it has increased over last 6 months. Up until a year ago, I only needed to pump air about once every 6 months. Then it became once every 2 months, 1 month and now it needs it once every week (it sags down if not). What's causing this and what can I do to fix it? Thanks in advance.

  2. #2
    Reputation: Dan Gerous's Avatar
    Join Date
    Feb 2004
    Get it serviced and mention the issue to the person doing the job (I recommend Craig at if you don't have someone competent enough locally), sounds like a seal isn't doing it's job anymore.


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