A bicycle helmet is a safety piece of equipment that protects the rider's head from impacts. It offers a comfortable ride thanks to its lightweight and aerodynamic structure. Helmets are usually made with EPS foam and polycarbonate outer shells, these materials absorb the impact in the event of a collision and protect the head. Ventilation holes prevent sweating and heating, while adjustable straps provide a comfortable fit. Road, mountain and city bike helmets offer features suitable for different types of riding. A bicycle helmet is an indispensable part for safe riding.