Have looked at the science too.. and figure if you manage to smash the front off a flip top you will have other worries which are a bit more pressing.
I have been a pin-head for the last few years, I thought about going back to full face but eventually decided to go for the N102. It's a good lid, I havn't got the bluetooth system for it yet (after xmas I hope)
I find the visor is a bit loose, at about 200km wind (head on in to 90km wind at 110km/h) the tinted sun visor will snap shut. But apart from that it is a good lid.
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