Originally Posted by Roody
I think they're worried that when sliding on pavement the pointy edges would catch on things and cause torsion injuries to the neck.
Yep. They also say that vents can catch on things and cause the same types of injuries. If we wanted truly 'safe' helmets, they would be so hot and heavy that folks either would not use them or would not ride at all. Cycling helmets are a compromise between safety and comfort.
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