Dunlop Bicycle Helmet Size M 55-58 cm Red 2105625. This adjustable Dunlop bicycle helmet is lightweight and comfortable, providing effective protection while cycling, scootering, or rollerblading. Foam padding absorbs impact energy, and the adjustment system allows for a perfect fit. Ventilation openings ensure thermal comfort, while the removable visor protects from the sun and obstacles. The helmet meets the EN 1078 safety standard. Technical data: Material: Plastic The helmet complies with the European EN1078 standard and is CE certified. Size / Head circumference: M / 55-58 cm