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Arai Signet-Q US Flag Helmet
  • Arai Signet-Q US Flag Helmet - Frost Black

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Video Reviews (4)

Arai Signet-Q US Flag Helmet Videos

Arai Signet-Q US Flag Black Frost 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
  • The Arai Signet-Q US Flag Helmet Meets or exceeds Snell and D.O.T. standards
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Arai Signet-Q US Flag Helmet 4.8 5 248 248
I would give it 6 stars if I could I absolutely love this helmet. I have a long oval head and this is the only helmet to ever fit me comfortably. If you have more of a round head, I probably wouldn't recommend but for us long oval head freaks, this helmet is perfect. I never had an issue of the visor fogging up, the helmet was cool in the summer and warm in the winter. It also performed excellently in my recent accident. A car pulled in front of me causing me to lowside. My head hit the pavement first and this helmet absorbed the whole force. not a scratch or bruise on my head. I cant say enough good about this thing. I added a video link to the accident so you can see how well this helmet saved my face. June 23, 2015
Great helmet, buy one and make your head happy! Really comfortable, lighter weight, longer oval shaped. Airflow is really good for the level of quietness. It is a little pricey for some budgets, but you get some really killer features from Arai without having to shell out for a Corsair V. Aria is always a top of a line choice when it comes to comfort, safety, and features, but the best value in their product line has got to be this helmet. If your looking for a great all around helmet that is going to serve you just as well at a track day as it will on a long commute, you've found it. June 23, 2015
Great fit for my long oval head This is a reasonably light, great fitting helmet with excellent airflow. The fit, as determined by the Arai guides, was spot on. It seems very quiet to me, though I do always wear hearing protection. I only wish Arai found a way to put an internal sun visor in the Signet Q. June 22, 2015
Solved my fit problem So, I didn't want to admit that I have a long oval head. Not because I was worried about being mistaken for an atavistic cro-magnon, or some egg-headed evil genius. But simply because that limits my choice of helmets on the market, which are predominantly intermediate oval. Plus, I already have a $600 Shoei. Well, I'm glad I listened to Philip from customer care at Revzilla. I told him the problem I was having with my Shoei (and really any other helmet that I'd tried). I didn't have so-called "hotspots" from helmets - that is, discomfort; but, I was left with very noticeable red marks on my forehead after riding and at high speeds the helmet would push into my face. The Signet Q does not do this to me. It is comfortable, and remains in place no matter the speed. Now to the specifics about the Signet Q: the ventilation is phenomenal. And the details are great. Not just your standard air vents, there are even vents on the face shield, which does wonders when riding in 100+ desert heat. The operation of the chin guard spoiler is awesome, too. While on my Shoei and other helmets I've used the chin guard either goes in or out, it stays in the Arai and is retractable. Everything is easy to operate with gloves on and at speed. The field of view is wide. For over the shoulder checks I hardly have to turn my head. Straight ahead or turned for checks there is no significant buffeting. Aesthetically, this helmet (I bought it in Frost Black) looks cool. As long as Arai keeps making the Signet Q I'm not at all worried about my oddly-shapen cue ball, and know there's a helmet out there for me. I recommend this helmet for anyone who hasn't found success with the preponderance of intermediate oval/neutral offerings. June 13, 2015
Great ventilation! So I've ridden a few hundred miles with this helmet now and I have to say that it has excellent ventilation. Mid-GA's humid summers are no issue now. I was also pleasantly surprised to find that the visor caused little to no distortion of my vision. As for the fit, I find myself often with my jaw slightly open due to the pressure of the cheek pads, but I know that I have yet to break in the foam, so I'm hesitant to pull the 5mm fillers out. The size and shape of this helmet was good to find, I'm used to pulling the nose pieces off the inside that form the top of the breath box, due to rubbing a raw spot on top of my nose. Now on to the wind noise, I honestly couldn't tell the difference between this helmet and the >$200 AFX I've had in the past; then again I ride Naked with no wind screens. All in all this is still an exceptional helmet. June 13, 2015
Great lid *if* you're an extreme long oval I tried to love this helmet; for the price, it's not easy to walk away from. I have a long oval head according to everyone who's seen it (and since I shave, it's pretty easy to tell). Regardless, the Signet Q clamps my temples and barely touches my forehead and occiput, no matter how I try to modify the padding. Guess you need to be descended from those crest-headed dinosaurs in order to fit this model. If it does fit you, you won't be disappointed. Great airflow, nice padding (although it doesn't feel as plush as the Defiant; there's a very slight roughness to it), easy controls and, of course, world-beating Arai build quality. Just be wary and try it on without the neckroll and cheekpads before committing. May 19, 2015
Arai changed their sizing Been wearing Arai helmets for 20+ years but unbeknownst to me, they have changed their sizing and I confirmed with a local Arai reseller who experienced the same thing - he used to wear a M and now needs a SM. I have worn out my Profile and naturally gravitated to the Signet, its successor. My Profile is an XS but a Signet XS is too big and I need an XXS. The Signet doesn't come in an XXS so I will have to resort to another model. Thank you Revzilla for bringing in XS's in your lineup. Unfortunately, it's still too big for me. May 14, 2015
Changed Riding Having owned several types of helmets (and having test fit dozens) this is the first that has not created headaches. This is despite the fact I have always worn XL helmets, as recommend by manufacturer measurements. I fit in the middle of the Arai measurements for an XL, and took the chance on Revzilla due to the return policy. I stretched my budget for the Arai simply out of desperation to find a helmet to fit my long oval head. Other helmets I owned created severe headaches in 20-40 minutes of riding. I took the Arai on a 2 hour trip and was completely comfortable, with ZERO forehead redness. Compared to the 100-200$ lids I have owned, the quality is impressive, particularly the paint quality. Less noise, less buffeting, and greater ventilation was immediately apparent on the first ride. Visibility is perfect, and much appreciated is the anti-fog insert included in the box. The Florida coast is almost always high in humidity, and my old visors would often fog when closed. When in motion the Arai visor will not fog. In summary, this helmet ended the pain and made riding and a more pleasant experience. May 11, 2015
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Have a functionality, fit, or otherwise product-specific question about the Arai Signet-Q US Flag Helmet? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Arai Signet-Q US Flag Helmet
Already Asked: 4 Questions, 30 Answers
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RevZilla Store asked: Why did you choose this?
David C: Arai quality first and foremost, cool design and Revzilla pricing. Jun 9, 2015
Stephen C: It was time to step up to a real helmet. Jun 1, 2015
David S: I chose the Arai Signet-Q helmet because I needed a long-oval fit. Arai's reputation for safety and top-notch quality influenced my choice to go with Arai, and the great looks of the Frost Black US Flag model sealed the deal. May 5, 2015
Anthony W: It's beautful ! And not as expensive as some of their helmets Mar 25, 2015
J I: Arai quality and great looks to go along with my new 2015 Silver Smoke Indian Scout. Nov 29, 2014
MAX V: I am a long time user of Arai and loved my previous helmet, an old Quantum F model. It's time to upgrade and with a US Flag on it, hell, that's a bonus. Arai is a great helmet that in my opinion can't be compared in fit, style or looks. . Aug 24, 2014
Jonathan C: Maximum protection and best fit for my type of head (oval). Very comfortatble and lots of air vents to keep me cool plus the new double paned screen thanks to pinlock. No more anti-fog chemicals is a major convience. May 21, 2014
James M: great reviews. beautiful helmet May 1, 2014
Thomas K: i have a bpg head and everyone said this is the best helmet Apr 20, 2014
Curtis C: 'Great Quality' helmet for racing karts and riding my motorcycle. I own another Arai helmet that is five years old and in perfect condition although the karting association I race in requires the Snell rating to be current. Mar 5, 2014
Mike H: Great quality, perfect find for my head size, full face protection Feb 28, 2014
Shane V: Great fitting helmet for my head shape, and best quality. Dec 16, 2013

Arai Helmet Sizing:

Wrap a cloth measuring tape around your head just above your eyebrows. Pull the tape comfortably snug, and read the length.

Size Head (in) Head (cm)
2XS 20 - 20 1/2 51 - 52
XS 20 7/8 - 21 1/4 53 - 54
SM 21 5/8 - 22 55 - 56
MD 22 1/2 - 22 7/8 57 - 58
LG 23 1/4 - 23 5/8 59 - 60
XL 24 - 24 3/8 61 - 62
2XL 24 3/4 - 25 1/8 63 - 64
3XL 25 1/2 - 26 65 - 66

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

Click here to see the full Arai Helmets Size Chart

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Product Style RevZilla Item # Manufacturer Product # Availability
Frost Black / XS 869287 817260 In Stock: Ships within 24 hours
Frost Black / SM 869288 817261 In Stock: Ships within 24 hours
Frost Black / MD 869289 817262 In Stock: Ships within 24 hours
Frost Black / LG 869290 817263 In Stock: Ships within 24 hours
Frost Black / XL 869291 817264 In Stock: Ships within 24 hours
Frost Black / 2XL 869292 817265 In Stock: Ships within 24 hours