 windshield height and helmet contour
my windshield top end height is a little above my nose when i ride which is maximum), and the wind above 55 mph makes my helmet (fulmer 3/4) vibrate (so does my head), gave me bad headche after a ride today. then i tried my wife's full face pretty helmet (have to!), it was less vibration.
funny thing is i don't have this kind of problem with out windsheild, except have to hold on tight so the wind dont blow my skinny a@# away.
i wonder if anyone had encountered such problem share their experience.
thanks
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