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.
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Thread: Headshok Ultra Si help
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