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Comparison HJC I70 vs Nolan N87 N-Com

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HJC I70
Nolan N87 N-Com
HJC I70Nolan N87 N-Com
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Typefull facefull face
SizeXXS, XS, S, M, L, XL, XXLXXS, XS, S, M, L, XL, XXL, XXXL
Specs
Fastenerratchetratchet
Peaknono
Visortransparenttransparent
Features
quick release visor
anti-fog visor
sun visor
UV protection
built-in ventilation
breath deflector
quick release visor
anti-fog visor
sun visor
UV protection
built-in ventilation
breath deflector
General
Shell materialthermoplasticthermoplastic
Safety certificationECE 22-05ECE 22.05
Country of originKoreaItaly
Weight1500 g
Color
Added to E-Catalogaugust 2019april 2016

Size

The sizes in which this helmet model is produced.

The appropriate helmet size depends primarily on the circumference of the wearer's head. The circumference is measured at the widest point of the head — usually at a level of 1 – 2 cm above the eyebrows and along the protrusion at the back of the head; more detailed recommendations and descriptions can be found in special sources. Here we note that although manufacturers use the same size designations — XXS, XS, S, M, L, XL, etc. — specific sizes for different brands may vary slightly; for example, XL can fit both 60 – 61 cm and 61 – 62 cm. This seemingly small difference can significantly affect the comfort and safety of use. Therefore, when choosing, you need to be guided by the size tables of a particular manufacturer.

It is also worth considering that helmets with the same size designation may differ not only in actual size, but also in the shape of the internal space. Therefore, even compliance with the size table is not a guarantee that the product will be suitable; the most reliable way is to test the helmet "live" before buying.

Safety certification

Safety certification or certifications to which the helmet conforms. To date, the following types of certificates are found in motorcycle helmets:

—ECE 22.05. The European certification system, which provides for very strict requirements for safety testing among national and international standards (except that in the ACU the requirements can be even tougher). According to ECE 22.05, each batch of helmets must be tested before being sent for sale (for this, several test items are selected), and the testing itself is quite strict and takes into account the fact that motorcyclists' heads can have different sizes and weights. Helmets certified according to this standard are used even in professional motorsport (although, of course, products of different levels and purposes can pass certification).

Snell. Also known as SMF. Standard developed and used in the USA; appeared in the mid-1950s, and has been regularly improved and refined since then. Snell's requirements are more relaxed than ECE 22.05, but tougher than DOT: products must undergo constant quality control, and the test takes into account the possible difference in head size (although it does not take into account the difference in weight).

— DOT. The standard was developed by the US Department of Transportation back in 1972 and has remained virtually unchanged since then. It provides for very mild conditions for b...oth the testing itself and the control of the results. So, the check is carried out only for the standard size and weight of the head, the manufacturer himself does this and he also determines whether his products comply with DOT requirements, and control by the Ministry of Transport is limited to periodic selective testing. However, even with this in mind, having a DOT is much preferable to no certification at all.

— ACU. A standard developed and maintained by the British Motorcycle Union (Auto-Cycle Union), a public organization representing the interests of the motorcycle community. Provides two main marking options — ACU Gold and ACU Silver; however, the second option is extremely rare for a number of reasons, and it is usually the top, “gold” marking that is used. In order to be ACU Gold certified, a helmet must not only meet certain generally accepted standards (described above by Snell 2005 or ECE 22.05, British BSI Type A, etc.), but also be tested according to ACU rules, which require additional checks. As a result, the ACU Gold marking corresponds to a very high level of safety. Note that some time ago this system was at the centre of a scandal: there were rumors that “ACU Gold” stickers are sold freely and can be found even on low-quality helmets that have not passed (and are not able to pass) an official test. However, the ACU organization has taken steps to correct the situation, and conscientious sellers do not go for such a deception. However, if you have any doubts, you can check from official sources (for example, the ACU website on the Internet) whether the selected helmet meets the safety level claimed for it.

Country of origin

The country of origin is usually considered as the country of origin of the brand — the "homeland" of the company that sells helmets. At the same time, the actual place of release may not coincide with the claimed country of origin, but this is not critical — the quality of the product is determined more by the reputation of the brand (and the thoroughness of quality control) than by the country of actual production.
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