</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">do they chatter at high speeds (100-120mph) without the support rods? </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">dont know if the chatter before they fly off ,but i`ve heard of a friend who lost his at higher speed +_90-100,he was not using the rods....possible he had cracked it before it happened though? (I`ve hit mine on speed bumps a few times...no breakeage with the rods)