Originally Posted by twahl
Does your seatpost have an adjustable preload? I had one on a Specialized Expedition, and it had an allen head adjuster that you could get to from the bottm to make it more solid.
It's adjustable, but as far as I know, not with an allen head, it's just a plastic adjuster that surrounds the seatpost. I have tightened it as far as it can go. My bike is a Specialized Expedition Elite 2002.