The Safety Technical Specification for Electric Bicycles has been officially implemented on April 15 this year, which requires to do a good job in the registration, helmet wearing and other work during the transition period before the implementation of the new standard for electric bicycles. Why is the head always injured Some studies have shown that the head injury probability of cyclists is 64.8% in case of motorcycle accidents without helmets. How to choose Electric vehicle helmet What about?

There are mainly four kinds of helmets, namely "full helmet", "3/4 helmet", "half helmet" and "flip up helmet".

Full helmet: It protects all positions of the head, including the chin, and is the best helmet for protection. However, this helmet is not breathable enough in winter, so it's muggy in summer. If you often travel between urban and rural areas and want to travel with cars on the road, you can consider this helmet.

3/4 helmet: This kind of helmet only protects three quarters of the head, so it gets this name. It gives consideration to both protection and breathability, and is a relatively common helmet. If you want good protection, but not too stuffy, then choose it.

Half helmet: It is a common helmet on the road at present. Although it is convenient to wear, it can not well protect the driver's safety, because it can only protect the safety of the overhead area. If you need to take off your helmet often, it is really convenient.

Flip up helmet: It is a "supplement" to the full helmet. It can completely turn up the chin device, changing from full helmet to 3/4 helmet. For some cyclists with large heads, it is not only convenient to wear, but also can be protected by the helmet.

Precautions for purchasing helmets:

1. Some foam cushioning materials for helmets have very low density, which is even worse than the foam cushion used for home appliances. It will break with a light hand digging - unqualified.

2. Some materials of the lining are uncomfortable to touch. Pay attention to the selection.

3. Be careful that the small black heart factory uses recycled materials to make helmets. The helmets will break if you drop them gently. They will smell and soften when the sun shines, and may contain some toxic and harmful substances in the garbage during recycling. Because this kind of helmet is super cheap, many people buy it. For safety, we must not be greedy.