protective helmet
				   		Rigid headgear covering the head to protect it in the event of accident.
				
 
					
					
					
						visor hinge 
						Articulated fastener for raising and lowering the visor.
				  	
 
					
						chin protector 
						Part of the bubble protecting the motorcyclist’s chin.
				  	
 
					
						air inlet 
						Opening in the bubble allowing air to circulate in the helmet and preventing fog from forming on the visor.
				  	
 
					
						visor 
						Transparent swing-away part, protecting the eyes while providing good visibility.
						
				  	 
					
						bubble 
						Exterior surface made of durable materials (thermoplastic or composite materials) that absorb shocks.