Helmets are mainly divided into: full helmets, 3/4 helmets, uncovered helmets, and half helmets. We choose the size of the helmet as much as possible to choose the kind of helmet that shakes the head and will not shake, and will not wear too much the bottom protective cover when wearing the helmet frequently. The inner side of the helmet must be equipped with an impact-resistant liner. The liner should have a ventilation groove with a depth of more than 10 mm to ensure air circulation in the helmet. The body surface is 5 mm, and it has a light and comfortable feeling when wearing the helmet. Not stuffy, wide field of vision, clear and unobstructed, and the field of view angle is not less than 105° in the static state The weight of the helmet should not exceed 2 kg. When wearing the helmet, you can clearly hear and distinguish sounds from all directions. The helmet should also be reflective and heat radiation resistant, and be dustproof, waterproof and insect proof. The lens of the helmet should be clear and colorless, with good toughness and not easy to break. In order to ensure that the vision of riding is not affected, the material of the helmet should be the best with hard texture. Traffic police remind: When a two-wheeled vehicle is involved in an accident, the head is one of the most vulnerable parts of the driver and passenger. Therefore, in addition to complying with laws and regulations, you must also remember to wear safety helmets correctly when you travel by motorcycle or electric bicycle to prevent accidents.Packaging Details：OEM Lead Time:

Quantity(pieces)	1 - 5	>100
Est. Time(days)	3-7	20-35