Are there any standards for electric vehicle helmets?

1. Full-face helmet. The English name of the full-face helmet is Fullfacehelmet. It has a relatively perfect full head protection function, but it lacks ventilation and is relatively stuffy.

2. Off-Road helmet. The English name of off-road helmet is Off-Road/Motocrosshelmet. It is common in motorcycle cross-country races and usually does not have goggles. Its shape is very popular.

3. 3/4 helmet? The English name of the 3/4 helmet is Openface, three-quarters or 3/4 helmet, and its shape is similar to a full-face helmet without protection on the chin. The popular Air Force helmet also falls into this category.

4. Half helmet. The English name of a half helmet is Halfhelmet, also known as a Harley helmet. It ignores the protection of the chin and back of the head. Banned by some countries and regions.

5. Assembly helmet and flip-up helmet. The English name of assembly helmet and flip-up helmet is Modularor Flip-up. The chin device can be completely flipped up, changing from a full-face helmet to a 3/4 helmet.

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