Motorcycle helmet manufacturer What are the shell requirements for motorcycle helmets?

1. Tough, durable materials that can absorb more impact energy.

2. The color is bright, the surface coating is clean, and it is not easy to stain and fall off.

3. The shell shall be kept in good condition and no cracks shall appear during inspection.

4. After the detachable parts of motorcycle helmet shell are removed, the protection performance shall not be reduced, and the head and neck shall not be injured;

5. The connecting pieces of goggles shall not exceed the outer surface of the shell by 7mm, the connecting pieces such as slings shall not exceed the inner and outer surface of the shell by 3mm, and the connecting pieces shall not have burrs.

6. When the shell is provided with a vent, its aperture shall not be greater than 13mm.

7. The head protection area shall be covered, including the edge embedded in the soft round and blunt circle to prevent direct damage.