Re: dampening idea
Two of the guys I built bikes for tried filling handlebars with Great Stuff. They both raved about the improvement but I saw no difference at all. My buddy who also rides these could not tell which bike had the foam in it during a blind test. Another fellow filled his tube with sand and it did make a difference.
The almost non existant mass of foam should not have any significant effect on vibrations.
Last edited by xlite; 10-23-2009 at 12:53 PM.