In this review article, in addition to the physical review, user reviews from different countries have been scored and added to the noise/visor sections to provide general information. Blue text contains referral links and clicking on these links will open a new tab.
Japan helmet manufacturer Arai, produced the Signet-X model from fibreglass material. In some countries, Signet-X is known as Qv-Pro.
The pinlock insert lens comes with the Arai Signet-X. The visor can be removed without any tools.
If we generalize the reviews of Arai Signet-X users, we can give 15.7/20 points to the angle(wide+vertical) of the visor. Wide field of view may be similar in most of the helmets but vertical field of view is rarely similar. Therefore, vertical field of view should be considered as this is an important element. The vertical viewing angle must be above the standard so that you can see clearly in front of you in the tuck position. On the Arai Signet-X, the vertical viewing angle is above standard.
Vertical viewing angle was given 7.5/7.5 points by COAU.
Models sold in Europe have a built-in sun visor. Sun visor can be opened/closed, but cannot be adjusted incrementally. Sun visor is attached from the outside. So it can be purchased and installed externally.
For ventilation there are one air ducts on the chin, two air ducts in the visor, two air ducts on the top and two air exits on the back.
The ventilation channel on the chin side can be opened/closed and can be adjusted gradually.
The two ventilation channels in the visor can be opened/closed separately.
The two ventilation channels on the top front can be opened/closed separately and can be adjusted gradually.
Since the two ventilations at the back are controlled from a single place, they can be opened/closed simultaneously, not separately, and can be adjusted gradually.
The ventilation structure of the helmet was given 6/17.5 points and its aerodynamic structure was given 6.6/10 points by COAU.
If we generalize the reviews of Arai Signet-X users, we can give 15.2/20 rating to the noise. You should not be surprised with different reviews. The reason for this is all of us have different levels of hearing, riding styles, motorcycle types and motorcycles that offers different levels of wind protection and riding at different speeds.
The wind tunnel test at 60 mph (100 km/h) which has been done by COAU the sound level in helmet is 93.1 dBA and got a 16.9/20 points. If noise level is an important criteria for helmet selection, we recommend taking dB levels of COAU as reference and see also: quietest motorcycle helmets
Arai Signet-X has been designed for Long Oval head shape and produced with five different shell size.
Arai Signet-X has emergency kit, breath deflector, glasses grove, speaker pockets, chin curtain, removable and washable inner pads. Top pad and cheek pads are soft. The quality of the inner pads is noticeably lower than its competitors.
There is an extra adjustable chin pad under the chin pad and the peel away system, which is Arai’s technology, on the inner pads of the helmet. As you can see in the peel away video, each cheek pad can be expanded by 5 mm and the peel away technology can be used in the head lining (not in the video you watched). Logically, it is used in the same way.
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|Helmet Type It specifies the type of the helmet, such as full face helmets and modular helmets… However, full face helmets are the safest type of helmet in the world.||Full Face|
|Origin Specifies the country that the product belongs.||Japan|
|Material Specifies the material type of the helmet.||Fibreglass|
|Weight Specifies the weight of the helmet. Even though a weight of 100 grams seems light, it creates a serious load coefficient, when factors like wind coefficient are added to this weight.||3.47 lbs (1.57 kg)|
|Sharp Rating Sharp is a company that was founded in 2007, which is controlled by the British Government and puts helmets through durability tests. They have always raised question marks as some models of upper class brands were given low ratings. Nonetheless, they are an independent institution that rates helmets by testing them all in the same way.||5 Star|
|Snell Certification Snell is a non-profit organization that was built in USA in the year of 1957. Snell tests are truly vigorous and challenging. Some models of the brands like Arai, Bell, Shoei, Hjc have passed this test. The number of helmets that could pass this test is limited. Snell standards are renewed in every 5 years.|
|Chin Strap It is the chin strap of the helmet. They are categorized as Micrometric or Double D Ring. Double D Ring fastening system is the one that is being used in MOTOGP. It is present in professional helmets and it is the safest fastening system.||Double D-Ring|
|Visor Lock If you are planning on using your helmet while driving with a speed of 240km/s or more, we definitely recommend you to get a helmet with visor lock. Otherwise, the force applied by the wind may open the visor of the helmet.|
|Pinlock Pinlock is perhaps one of the greatest technologies. It completely prevents the fog on your visor that is caused by moisture, your breath or the cold weather. Your vision is never restricted. It is not provided with all helmets.||Included|
|Emergency Kit Emergency Quick Release System. It is the system for quickly removing the pad in case of emergency. By holding the hook below the pad, you can rapidly remove the pad.|
|Breath Deflector It is a fog preventing factor for the helmets that don’t have pinlock. Another benefit of it is that if you lift the visor while moving, the wind won’t make breathing more difficult.|
|Glasses Groove This means you can use glasses with this helmet.|
|Internal Sun Visor It is the black visor on the helmets that looks like sunglasses and they are provided with UV filters. They can be opened or closed. You can think of it as wearing sunglasses.|
|Speaker Pockets Intercom is a device that connects via Bluetooth. Intercom dock is where the earphones of this device are placed. By connecting your intercom device with your phone, you can make a phone call, listen to music or connect with other intercom devices while driving. You don’t need to wear an additional earphone or another device.|
|Chin Curtain It is one of the features that affect both isolation and comfort, since the helmets usually get wind from below.|
|Spesific Feature/s If “READ THE DESCRIPTION” is written below the specifications, it means that there is a specific situation about the helmet. It is recommended for you to visit the specific page of the helmet and read what is written under the “OVERVIEW” tab.|
|Features||8 | 9→(Europe)|
|Noise Inside The helmet's ability to reduce noise, to minimise the wind resistance and to encourage ventilation inside the helmet was assessed in a wind tunnel at a simulated riding speed of 100 km/h. The helmet was fitted on a mannequin designed for acoustic measurement. The mannequin was equipped with a specially designed microphone placed inside one of the mannequin's pinnas (ears). The wind resistance was measured using the force plate which is part of the wind tunnel and the ventilation was measured by measuring the pressure drop on the face and crown areas of the mannequin.||93.1 dBA / 60 mph|
|Ventilation||6 / 17.5|
|Aerodynamics||6.6 / 10|
|Vertical Field of View||7.5 / 7.5|