We will introduce four material- glass fiber, polycarbonate, carbon fiber, and kevlar in this article.

When choosing a motorcycle helmet online, many customers will be bound to check the certification information. There are many certifications of helmets, which one should I choose? This passage is going to help you find the difference between two most common certification-DOT and ECE, so you can choose your perfect motorcycle helmet easily.

Fiberglass is lighter and more solid than the traditional plastic, and it can provide better experience to riders. If you have any questions, welcome to email us. Customer Service email: sales@nenki-helmets.com

The prices of our products will be adjusted to the market or stock. It’s wise decision to buy when it’s on sale.

Please check the specification on the details page, or you could directly send a message and email to us.

​Yes. Our products have DOT or ECE certificate. You could easily clarify it by the title or check it on details page. Please not that not all of our helmets both have DOT and ECE certificate. NK-856 and NK-303 have both DOT or ECE approved.

If the item ships from China, it takes 10-15 days to USA, some items can ship by FBA which generally take 3-5 days.

Our helmets are made in standards of DOT or ECE. Firstly, you need to confirm your head size, then you can find your perfect size on our size chart. Please note that XL of NK-310 is 61 cm.