It is not illegal in every country. Further, wind noise and exhaust are too loud to hear anything anyway, so having music on and navigation is a bonus.
That's completely untrue, speaking as someone who drives a motorcycle every day, at least if you're not driving some horrible (to everyone around you) 500cc beast, you can hear things just fine. Especially horns, trucks, busses etc.
That's completely untrue, speaking as someone who drives a motorcycle every day, at least if you're not driving some horrible (to everyone around you) 500cc beast, you can hear things just fine. Especially horns, trucks, busses etc.