Mountain bike
*Vultures Knob>>>Bike Helmet

What is the structure of the bicycle helmets?



you'd better sent me a picture
thanks very much

ive attached a picture that shows the ventilation of a modern helmet, i couldnt find anything that shows the structure.

basically, a helmet is a foam inside with a plastic shell. the idea behind this is that when your head impacts something hard (like the ground) the foam will be crushed and absorb the impact. some expensive helmet (Giro Atmos) are built with a carbon fiber rib cage which enhances the durability of the lid. carbon will tolerate some flex before it breaks and helps transfer the impact throughout the helmet instead of one spot. Source(s): http://www.khulsey.com/specialized.jpeg...
F*CK PICTURES

IT IS A MOLDED 1" THICK STYROFOAM SKULL CAP WITH SEVERAL VENTALATION HOLES AND A THIN PLASTIC SHELL FOR AN OUTER COVERING
plastics..
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