Originally Posted by
hairnet
are you loosening the stem bolts before tightening the preload bolt? Is the cap pushing down on the stem and not the steer tube? Sometimes the steer tube sticks out high enough that the caps looks to be on the stem but is still pushing on the steer tube
I will double check this when I get home from work. I had been riding this bike previously for several months with no problems though, but I guess it is possible for them to come loose.