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Arai Signet-Q Basilisk Helmet - (Size XL Only)
  • Arai Signet-Q Basilisk Helmet - (Size XL Only) - Black/White/Red

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Arai Signet-Q Basilisk Helmet - (Size XL Only) Videos

Shape: Long Oval

Weight: 3.60 lbs

What's this?

Arai Signet-Q Basilisk Helmet

The Arai Signet-Q (the long-oval shaped cousin to the RX-Q) is the product of a racing lineage going back to the late 1970’s. Since Arai’s inception, their RX Line of helmets has set an international standard for rider comfort and safety. The Signet-Q is perfection incarnate, blending modern materials and safety features with decades of knowledge and racing heritage. The result are features like an eyeport designed to maximize peripheral vision, an aerodynamically tuned outer shell and a beautifully crafted and ultra comfortable liner. All these features, combined with industry-leading protection, provide riders with an unmatched level of safety and comfort.

A longer shell shape on the Arai Signet-Q Helmet gives 5mm more space front to back allowing for a larger number of heads to fit comfortably. The shape of the Arai Signet-Q Helmet releases forehead pressures and eliminate hot spots for a more comfortable fit every time.  This shape works best for riders with a long oval headshape.


  • Both the top vent set and side exhaust cowls are direct carryovers from the RX-Q 
  • Brow vent ducting redirects to flow air across the temples
  • DDL-4 exhaust vent to the 10mm wider eye port (5mm on each side)
  • Long Oval Fit
  • SAI "MAX-Vision Brow Vent" shield
  • Clear Pinlock Max-Vision Brow Vent Pinlock lens included
  • Elongated shell adds 5mm from front to back
  • Long-Oval shape helps prevent “Hot-Spot”
  • Multi-Density Single piece EPS liner
  • Removable, replaceable, washable interior
  • Dry-Cool Surface material for rapid displacement of heat and moisture away from your head and into the ventilation airflow for added comfort while riding and a quick dry between rides
  • 5mm peel-away temple pads adds another level of customization, giving the helmet interior a little extra width when needed
  • Enhanced for customizable micro fitment interior without the need to purchase extra interior components
  • New FCS (Facial Contour Support) cheek pad design
  • Innovative and exclusive spring support adds just the right amount of pressure when needed while being worn
  • Meets or exceeds Snell and D.O.T. standards

Arai Helmet Sizing

Size Head (cm)
2XS 51 - 52
XS 53 - 54
SM 55 - 56
MD 57 - 58
LG 59 - 60
XL 61 - 62
2XL 63 - 64
3XL 65 - 66

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How To Measure

H Head Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
Product Style RevZilla Item # Manufacturer Product # Availability
Black/White/Red / XL 869297 817274 Only 1 Left: Ships next business day


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Arai Signet-Q Basilisk Helmet - (Size XL Only) 4.8 5 343 343
Great touring helmet for a long oval head I can't find much not to like on this helmet. I use a Nolan N103 for city riding, because the pop-up is easy with glasses. When I bought a touring bike, I wanted something more comfortable. Based on the fact that I have an oval head, I tried Arai. This helmet fits me well. It's light and comfortable on long rides. The venting is great, even on hot days (I rode for a weekend in 95 and humid conditions). Some people are knocking this helmet for noise, but I don't get that. To me, it's much quieter than my old helmets, and I can ride without earplugs. June 27, 2016
Pros and Cons Well, first let me say that I love this helmet. I'll do my best to explain why I like it so much and some reasons why it might not be for everybody. The shape fits my head really well. Most of my riding time has been spent in Shoei RF helmets, most recently the RF1200. The signet has more of that "shoei" long oval shape. The padding on the inside is not as plush as I thought it would be, but after some breaking in the helmet has sunk perfectly onto my head. Now it's like a glove. I'm a shoei medium, but with this helmet I am a small. Just as a reference. With regards to the pro-shade system. Its extremely simple. Those who have it continually coming down at speed must not have any mechanical inclination. You simple press it in very lightly and it locks. No problem. Really. No problem. The fact that it doesn't completely cover the main visor is something you get over in a couple of minutes. It also allows you to look down at your controls without a tint. My only issue with the pro-shade system is that the outer tinted visor leaves a very light rash on the main visor. At speed, the outer visor likely rubs *ever so slightly* on the main visor. It's unnoticeable to me, but could be bothersome. It's a design flaw, but like I said, no biggie. Airflow is great. No problems there. But I will say one thing. And maybe because I'm coming from an RF1200...but hot dang is this helmet loud! Earplugs are always good when riding but this helmet will likely require them. Just sayin... Overall, I think the helmet is awesome. Good weight, excellent fit and finish, and that Arai philosophy of no compromises in what they hold to be the most protective helmet. I hope to never use my helmet, but should that time come I do believe I have one of the best. -RJ June 22, 2016
The best for a long oval head!!!! I have a long oval head and other helmets are not comfortable at all. This helmet fits me like it was custom built. Arai's standards are very high for fit, finish and protection. I have other Arai helmets and loved them all!! June 22, 2016
Arai the astute option I have worn other competitive brand helmets for tens of thousands of miles each but forgot how well the long oval Arai fits my head. The multi-shape shell options clearly set Arai apart. A better fit offers more comfort, quieter ride, and a happy rider. The peripheral vision is the best I have seen. The capability to change the cheek pad thickness is nice but the stock ones were great. This is minor but I thought the overhead vents could flow a touch more. Otherwise, this helmet fits like a custom leather driving glove that I barely notice it while worn riding. I highly recommend an Arai if it fits your budget. Great product Arai! June 21, 2016
Best for me Not many companies make a comfortable helmet for those of us with the long oval head shape. The Arai Signet series has always catered to the long oval and is well worth the money. I cannot attest to the protection value as I have not crashed. Hopefully I never will. June 21, 2016
Great Helmet but too loud Nice looking helmet. Good quality appearance and assembly. Fits very well. Bad thing is....it's very loud. Not just loud, but effing LOUD!!!!!. I can't hear the motorcycle over the wind noise. The return policy is over-hyped. If you wear the helmet to ride you can't return it. So.....I wasn't able to determine the helmet was excessively loud before riding with it... I'm considering ways to stop off the ear vents, hoping this will take care of it. If I could return this helmet I would..... June 13, 2016
Only one flaw on this helmet.. Absolutely not impressed with the hokey tabs and method needed to remove the face shield and pro-shade. Flimsy and cumbersome - feels like it's going to break. Takes too long to reinsert and put back together because it has to be aligned just perfect and then shoved hard into slots.. Otherwise - excellent helmet. Will just have to learn to clean shields in place instead of removed. Great cooling in 95F summer heat. Pro shade is really nice but doesn't pin up as stated in manual so it will tend to come down occasionally at night when you turn your head just right at high speed. Needs revising to become a perfect helmet. June 11, 2016
This is not a 5 star helmet It is in most categories but you're going to buy it for that shade visor right? DON'T. It flips down when wind catches it the wrong way and can be alarming if not dangerous depending on the situation. Plus with it being on the outside vs inside like most other manufactures, you have to clean 2 visors and the shade visor is not easy to clean as it gets debris on the underside. It's a shame Arai spent so little time engineering and testing this new feature. It's a fail! I ripped mine off mid ride after the 4th time it flipped down in less that 3 hours. June 10, 2016
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