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Arai XD-4 Helmet - Solid
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$599.95 - $609.95
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Video Reviews (4)

Arai XD-4 Helmet - Solid Videos

Arai XD-4 Helmet - Solid Colors.  

Notable improvements for the Arai XD4 are improved ventilation with redesigned face vents and a venturi vent at the brow, adjustable cheek pads, a new visor system for improved visibility and a new locking shield for aerodynamics. 

  • New comfort headliner, with micro fitting 5mm peel away temple pads
  • Fully removable/replaceable/washable Interior: Comfort head liner, Cheek pads, Chinstrap covers
  • Dry-Cool® technology keeps you dry and cool for greater comfort
  • Patent pending, New FCS® (Facial Contour Support) cheek pad design, also with a 5mm peel away micro fit feature
  • New shell shape for better aerodynamic stability at higher street speeds
  • New exhaust ports added to the top diffuser vents
  • New chin vent with more intake ports
  • Larger sculpted side cowl vents improve ventilation
  • Snell M2010 approved
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Arai XD-4 Helmet - Solid 4.7 5 189 189
Awesome helmet with great features. Overall this helmet is awesome. Looks great, function well I just wish the air flow was a bit better but then again this isn't just a dirt bike helmet. August 4, 2014
Spend the money! I have 3 months in with this helmet, no regrets on spending the extra cash. July 28, 2014
Perfect helmet for adventure/general touring I had the Arai XD-4 helmet in mind after watching the Long Way Round/Long Way Down motorcycle documentaries, because Ewan and Charlie used Arai helmets (an earlier version of the XD-4, maybe an XD-3.) The high price was off-putting at first, but after doing some research and watching Anthony's Revzilla TV review I decided to pop for a new Arai XD-4. It shipped very quick. When I pulled it out of the box it had a premium look and feel. When I first put it on the fit was near perfect. After peeling off the five millimeter adjustable cheek pads, as suggested for a roomier face fit, it was perfect. Positives include excellent venting, wide field of view, comfortable customizable fit, aerodynamic design, useful removable visor, reasonably quiet, looks great. Negatives - could be a bit quieter, but with the huge amount of venting options this is understandable. Also thanks for the sizing advice on Revzilla TV. I thought I was a large, but I found out I'm really a medium. I had a great buying experience and am completely satisfied with my Arai XD-4. Thank you, Kris July 28, 2014
Love the look and feel of my new XD4 Put 10k miles on my last Arai XD3. It was two sizes to big for me. Finally got the XD4 properly fit, and I love it. Can't believe I waited so long to pull the trigger. Showed up the day after I ordered it. July 24, 2014
Still a geat helmet! I finally retired my original Aria XD from 2005. This one has several noticeable improvements. The shield stays up much better and the visor is more solid. The adjustable cheek pads was also a great improvement! July 17, 2014
Vibration Since this is one of those "dual sport" type of helmets with a visor, those riding are at some point going to get on a highway and get up to highway speeds. With that said...when riding down the freeway at 55-60 there is understandable wind noise. So to protect my hearing during sustained freeway riding, I run custom ear plugs. That cuts down the wind noise to almost nothing. What was interesting is that without the wind noise I started noticing a low frequency hum...somewhat a throbbing hum. Could not figure out where that was coming from. I would bend over behind the windscreen and it would go away, get back in the airstream and it would return. Eventually I realized that it was the visor that was vibrating and causing that throbbing hum. Reach up and grab the visor, the noise goes away. Then I started looking and you could actually see the visor vibrating. I then started reaching up and squeezing both sides of the visor with my hand and the vibration went away. So, long story short...I started putting a fat rubber band around the visor to give it a bit of an "arc" and the problem goes away. Weird having a rubber band up there, but it works. Thought about getting a piece of aluminum, bending it in a slight arc and pop riveting that to the visor. Still might go that way. I contacted Arai on their website...never heard a thing. All it would take to fix the problem would be to make the visor a little more beefy in that area and the vibration would stop. Once lost, hearing usually does not return so it's important to protect that hearing at all costs. Constant wind noise will damage your hearing. At the very least wear disposable foam if traveling over an hour. Hey Arai...fix this please. July 9, 2014
XD-3 to XD-4 Upgrade I love this helmet. I was sized and fitted with a small XD-3 from a store that didn't except returns. After an hour of riding it felt like a vice on my head. I looked up Arai's size chart and I should have been a medium. I also read reviews that you have to have a certain head shape for the XD-3 and that the XD-4's were shaped less narrow. The XD-4 fit is great and is very comfortable. I just rode for two full days without any discomfort. The only downside for the XD-4, which has been pointed out in other reviews is the low frequency vibration from the visor. It's disappointing coming from such a pricey helmet. I haven't done any research into how to fix this issue yet but taping a quarter underneath it seemed to help a little so maybe some more weight in the corners would do the trick. July 7, 2014
Great Helmet! I've never owned a helmet anywhere near this expensive, but I've also been an offroader all my life. Trees don't move, other idiots driving cars do. Felt like spending the money on a good helmet was a requirement before taking my new KTM 690 out on the road. I've got a few hundred miles under the belt with this bucket on my head. It is very comfortable, fits better than any helmet I've had before, and looks great. Air flow through this thing is incredibly good. No sweaty head even in 90+ degree weather. I was worried about a visored helmet at road speeds (no windscreen on the 690), but this thing doesn't yank my head around. Feel a push when I turn my head sideways at speed to look around, but nothing really to complain about. I don't have any weird vibration issues with the visor that I have heard others complain about. Cons: As others have noted, this helmet isn't super quiet or anything. I don't have anything to compare to so it doesn't really bother me (yet). If it does, I might get some musicians ear plugs and try those out. The eye screen does warp your vision just a tad. And the helmet could be a little lighter. But those are really nit picks. All around great helmet, just barely nicking it from a 5 star rating because of the cons noted. If I could rate it a 4.5 I would. August 8, 2014
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Arai XD-4 Helmet - Solid
Already Asked: 24 Questions, 127 Answers
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RevZilla Store asked: Why did you choose this?
Dave M: Needed a new adventure style helmet. I prefer Arai. Excellent features, good price, free shipping, & cash back. Aug 18, 2014
S U: Excellent adventure helmet with great air flow/comfort. Aug 18, 2014
Ron H: I have owned many Arai Helmets in the past. I am a Loyal Customer, what can I say......... Aug 15, 2014
scott w: "Long Way Round", brand + Revzilla video review Aug 13, 2014
artie t: Protection and Style. Aug 4, 2014
Gary D: Best helmet for dual-sport riding. Had Arai profile for 8 years. Jul 26, 2014
Richard K: Top quality dual sport Jul 22, 2014
Bobby H: The best dual sport helmet out of all the manufacturers. Jul 10, 2014
Glen J: Arai fits my head better than any other helmet I have tried. Had the factory reps at Americade for most of the other majors give up and tell me that I could not use their helmet. The Arai is perfect. Jun 16, 2014
sammidi a: Arai Proven for protection & comfortable shape & fits me perfectly Jun 16, 2014
Talmadge W: Great air flow, visor helps with a low sun and surprisingly little wind buffeting! Jun 5, 2014
Douglas S: Nice choice when I ride my 1200 GS! Jun 1, 2014
Robert H. W: Your product review video is excellent, your spokesman articulate, knowledgeable. All true but real reason is Arai superiority in this line of helmet. Have been an open face Shoei man for decades but this will fit my current preferences for both my 1955 Vincent as well as the F700GS BMW, and the 56 Tri T110. For the DRZ, Penton and Bultaco will stick with motocross HJC. The open face style was making me a little nervous (at age 76) so the DS style gives better vision protection etc May 20, 2014
michael b: Im 61 & my BMW G450X have a love -hate relationship going on ! sometimes it like to Toss me like a Toss Salad. This is the best money can buy for avoiding Blunt Head Trauma May 18, 2014
David F: My current Arai is over 6 years old and it's time for something new. You can't go wrong with Arai and when it comes to helmets, your head is worth the investment. I will say that the Revzilla videos are very helpful in reviewing product options, understanding the latest features and helping make decisions. Well done guys! May 16, 2014
thomas g: oval fit quality & comfort May 15, 2014
Ruth H: Fell on my Bike the other day... this helmet did exactly what it was suppose to do. I'm happy to buy it again May 8, 2014
James M: Good price, good quality, good shipping:) Apr 24, 2014
Mark R: Arai helmets are very high quality and fit me perfectly. My oldest Arai is 17 years old and still going strong. The materials have not degraded. Apr 22, 2014
stephen c: Quality. Apr 1, 2014
Scott F: Fits good and is comfy. I wish the visor was easier to swap out. The duck bill needs stiffening. It can catch wind off my windscreen on the 1200 GS and do some NASTY vibrating. I have seen where people have glued wheel weights to the under side of the leading edge to dampen the vibrations. It literally blurs my vision and gives me a bad headache. Lowering the screen to get more clean air on the helmet helped a LOT. On my screenless KTM 530 EXC, it is not a problem. Mar 27, 2014
carlos g: friend recommendation , Brand reputation Mar 20, 2014
Patrick A: Best fit plus prior experience with an original XD. I very much like the visor. Once you get used to having it, you will really miss it when wearing other helmets, particularly when riding towards the rising or setting sun. Wish they made this one in a modular/face flip-up style, but you can't have everything.

Oh yeah. Arai customer service is outstanding. I broke a ratchet on the face shield when my XD was exactly 5 years old. Arai sent me a new set of ratchets at no charge.
Mar 19, 2014
bradley r: my white one doesn't mach my new bike Feb 24, 2014
Trev R: After A LOT of research on different DS helmets, found this one had the most features. And you can't beat an Arai helmet! Feb 19, 2014
Jon B: Based on reviews and talking with other riders. One thing stood out in my research and that is you have only one body, protect it! Feb 19, 2014
Rob R: DOT and Snell approved, not much in my skull so wanted to protect what I have! Dec 24, 2013
William K L: Looks, reputation. Great pricing too! Dec 24, 2013
Glen C: It was time to get a new helmet, last one was a Shoei DS Hornet. Great helmet but this one is more comfortable. Dec 18, 2013
karl t: strong meat bees Dec 11, 2013
mike b: I have an XD3 and wanted to upgrade. Great helmets.. Dec 7, 2013
Mark B: They say you have a shoei head or an aria head I used to have a shoei and it used to give me headaches got this and it is the best fit and most comfortable helmet I have ever owned. Dec 2, 2013
Houck c/o M: Upgrading from the original. Nov 17, 2013
Richard D: After watching the videos on your site there was no other choice. Oct 23, 2013
MARCO H: My XD (2 or 3, forget which) will be 5 years old next month. Time for an new helmet. I've been happy with the XD helmets for many years and see no reason to change to a different style/brand. Oct 17, 2013
Dave C: Been riding in the XD 3 for 5 years....awesome! Time for another Oct 7, 2013
Jerrad J: It got great reviews and Anthony's video review made it look awesome. And it looks badass Sep 13, 2013
A shopper asked: My head is exactly 23 inches, which accrding to the size chart, is right between the M and L. Which size should I buy? Aug 24, 2014
Answer this · Send to friends Good question? Yes (1) No (0)
Mathew D: I was in the same position and purchased a medium, I had to return it for a large. It fit my head but so tightly that it gave me a headache after 5 minutes of wearing it in my living room. The large fits great for me. Aug 26, 2014
Reply to Mathew Good answer? Yes (0) No (0)
Paul A: I would recommend you buy a large @ 23"....my head is 22 and 3/4" and I bought a medium which fits quite snug... I even peeled a couple layers off the cheek pads so my face wouldn't feel so squished up Aug 24, 2014
Reply to Paul Good answer? Yes (0) No (0)
Luc S: I have a 22 3/4 inches head and I selected M which fit me comfortably snug. I suspect M would be too tight for a 23 inches head, go for L to be on the safe side. Aug 24, 2014
Reply to Luc Good answer? Yes (0) No (0)
A shopper asked: I am looking at getting the XD4 but I have one major concern the ability to clean bug guts from the vents. On most of the videos it shows the rear vent removal but nothing about the front which is where most of the bugs hit. My current helmet is a Schuberth C3 and I have found some quarter sized bugs in the top vent which is easy to clean out. Thanks in advance!

Fine here you go revzilla computer "???????"
May 28, 2014
Answer this · Send to friends Good question? Yes (1) No (0)
Jeff S: Wish I could help, never gave bugs much thought. May 28, 2014
Reply to Jeff Good answer? Yes (0) No (0)
A shopper asked: I have to wear eyeglasses when riding, day or night. Does this helmet have eyeglass channels built in to the liner to allow for easy eye glass placement? With my current helmet, I had to remove the cheek pieces and basically "restuff" the material to allow for my glasses to slide in easily. Aug 25, 2013
Answer this · Send to friends Good question? Yes (0) No (0)
Brian D: I wear eye glasses. I have no problem putting my wire frame glasses on after putting the helmet on Aug 27, 2013
Reply to Brian Good answer? Yes (2) No (0)
Chris C: I don't ride with glasses but I just put the helmet on and then slipped on both a pair of wire frame then a pair of horn rimmed reading glasses and both felt fine. There is a channel between the pads that allows for comfortable movement of the frames with no pressure. There is also plenty of clearance when the shield is down. Aug 26, 2013
Reply to Chris Good answer? Yes (1) No (0)
Richard G: I wear sunglasses all the time and they fit with no problem at all. They have straight arms so I am not sure if arms that go behind your ear will work. I didn't have to remove any padding to make them fit. In fact I also have the scala ear "phones" in place too with no problem. Aug 26, 2013
Reply to Richard Good answer? Yes (1) No (0)
John C S: I wear sun glasses with my XD-4. One can mount and dismount the glasses without removing the XD-4 so long as the glasses have straight " temples". There are channels within the helmet which allow the straight " temples " to slide within. Aug 26, 2013
Reply to John C Good answer? Yes (1) No (0)
Michael N: XD-4 is comfortable in all temperatures and my corrective glasses for nite and day fit easily with or with goggles.
M
Life's an Adventure...
Find Your Joy in the Ride!.
Aug 26, 2013
Reply to Michael Good answer? Yes (1) No (0)
John H: Yes it does have eyeglass channels. I wear eyeglasses myself and am able to put them on with ease. The frames of my glasses are straight and don't wrap around the ear though. Aug 26, 2013
Reply to John Good answer? Yes (1) No (0)
Lynn Y: I am not sure about eyeglasses because i dont wear them but i do wear sunglasses regularly and they fit well. I have no issues on all day rides. Aug 26, 2013
Reply to Lynn Good answer? Yes (1) No (0)
Jonathan J: I wear sunglasses with my Xd-4 with no problems whatsoever !! Hope this helps ...... Best helmet I ever had !!!! Aug 26, 2013
Reply to Jonathan Good answer? Yes (1) No (0)
Waylon W: I wear sunglasses with mine everyday and don't have a problem at all. Aug 27, 2013
Reply to Waylon Good answer? Yes (1) No (0)
Brad B: There is not a "slot" to allow glasses ear pieces to slide through as with some Shoei road helmets, but as a rider who wears glasses, and shades in this helmet, I can say it is not a problem. Now, the width of the glasses may have something to do with fit. Ear pieces that stick out past your head may hit the head liner and wider frames may hit the ear pads but I don't have a problem with either. Hope this helps. Aug 26, 2013
Reply to Brad Good answer? Yes (0) No (0)
James C: I wear glasses each time I ride with this helmet. My glasses have thin wire frames and I always wear them with clip on sunglass shields. The glasses are what I'd call a medium sized frame. I've never had a problem wearing them under this helmet. Though I purchased my XD-4 to fit snuggly it is still extremely comfortable with my glasses on. Aug 28, 2013
Reply to James Good answer? Yes (0) No (0)
Bob C: I always wear glasses, some with very thick frames. There's a sweet spot that let's me slide mine on no problem. Aug 1, 2014
Reply to Bob Good answer? Yes (0) No (0)
A shopper asked: Are the visor and face shiel included with the XD4 helmet or do I need to purchase one or both of these separately? Oct 7, 2013
Answer this · Send to friends Good question? Yes (0) No (0)
Stephen B: Both visor and face shield are included, in fact they are attached on delivery. Oct 8, 2013
Reply to Stephen Good answer? Yes (0) No (0)
David B: They are both included. This is an excellent helmet Oct 7, 2013
Reply to David Good answer? Yes (0) No (0)
Kevin B: Hello, helmet came with visor and face shield. Oct 7, 2013
Reply to Kevin Good answer? Yes (0) No (0)
David G: Yes, both are included with the helmet Oct 7, 2013
Reply to David Good answer? Yes (0) No (0)
Arthur G: Yes, both are included Oct 7, 2013
Reply to Arthur Good answer? Yes (0) No (0)
Robert S: Included Oct 7, 2013
Reply to Robert Good answer? Yes (0) No (0)
A shopper asked: is xd4 pin lock ready or do I have to drop more money on a new shield? Sep 30, 2012
Answer this · Send to friends Good question? Yes (0) No (0)
Colin S: It is NOT pinlock ready, however, the airflow is so great in this helmet that I have found it to be less of an issue than my Signet-Q. I immediately purchased a pinlock ready visor and insert, but now that I think of it have never needed to use it. Jun 11, 2014
Reply to Colin Good answer? Yes (0) No (0)
Saigo: The XD4 is not Pinlock ready..Yes you will have to drop more money for the shield as well as the pinlock visor as they are sold seperately Mar 20, 2013
Reply to Saigo Good answer? Yes (0) No (0)
RevZilla: The Arai XD-4 Helmet does not come with a pinlock faceshield; they are sold separately and can be found at the link below. Oct 1, 2012
Reply to RevZilla Good answer? Yes (0) No (0)
Libx: the shield that comes with the helmet is not pin lock ready. You have to buy the pin lock ready shield seperate May 13, 2013
Reply to Libx Good answer? Yes (0) No (0)
Rigby: You have to purchase an additional shield and pin lock insert. Jan 7, 2013
Reply to Rigby Good answer? Yes (0) No (0)
German D: The 2014 model comes pin lock ready out of the box Aug 2, 2014
Reply to German Good answer? Yes (0) No (0)
A shopper asked: Do you recommend this helmet for naked bike like Kawasaki Z800? Please advise, thanks Apr 1, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Sebastian C: I ride BMW G650GS, which has minimal wind protection.
You "feel" the visor at higher speeds, but I rode for and hour at 80MPH no problem. I got used to it.
That being said, I realized that I couldn't live without the visor.
There is a lot of sunshine here and the beak helps to see better in traffic.
You stop on intersection, sun blinds you - no problem. Little move of your head and you can see again.
I will gladly pay the "penalty" of some extra air resistance.
Heck, my neck muscles will probably grow. ;)
Apr 11, 2014
Reply to Sebastian Good answer? Yes (1) No (0)
Brad B: I'm afraid I cannot help you. I have not worn it on anything faster than a KTM 500EXC, so nothing approaching extended road touring/riding. You can remove the bill though very easily and just go with the shield alone. In that setup it should be no different than a regular street helmet. I love mine though for dual sport touring. 60 mph is no problem with bill on. Apr 1, 2014
Reply to Brad Good answer? Yes (0) No (0)
A S: Thanks Brad, I will go without the peak :) Apr 2, 2014
Bob C: I ride a Multistrada with windscreen. My helmet whistles a lot. With the visor on it really whistles. Turning my head a 70-80 can be problematic. I'd be careful. Aug 1, 2014
Reply to Bob Good answer? Yes (0) No (0)
Glen J: I use one with a naked Honda 250 -- not spending a time above 60/70 mph but to that limit its fine. Use earplugs as any helmet is noisy at speed. Apr 14, 2014
Reply to Glen Good answer? Yes (0) No (0)
Stephen B: Personally I wouldn’t want a helmet with a peak on a naked bike. The wind would want to snap your neck at almost any speed. Apr 2, 2014
Reply to Stephen Good answer? Yes (0) No (0)
A S: thanks Stephen, what about without the peak, mainly use it with the shield/visor only? Apr 2, 2014
A shopper asked: What makes this better than the Shoei DS Hornet? Feb 11, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Edward B: I do not have any experience with the Shoei DS. but I do have four years of wearing the Aria XD-4. I have been to several different brands helmet, try while riding events and have not found a helmet that for me is as comfortable and works as well as the XD-4. The excellent air flow is very controllable, and and the visor ( which is the main reason I bought the helmet) works very well with out much buffeting. With or with out a faring. I find the quieter helmets give me a sense of disconnect from the motorcycle I don't feel comfortable with. I do wear hearing protection so the noise that comes with the great air flow doesn't bother me. The field of vision on the Aria is excellent also. I hope this information is helpful. Feb 11, 2014
Reply to Edward Good answer? Yes (0) No (0)
Anders B: I have a long oval head and the Arai fit my head better. Even the Arai is not perfect. I spoke to the Arai rep at the Progressive motorcycle show and told him they need to make a long oval XD-4 and a modular helmet. He said that he hears that question everywhere he goes. The xd-4 is a very good helmet however. It is louder than my Arai Profile and my Shoei Multitec. Feb 11, 2014
Reply to Anders Good answer? Yes (0) No (0)
Scott C: I have owned both Shoei and Arai helmets.
The XD-4 fit better for me. I absolutely love the helmet.
Quality is unbelievable. I had to add the shield that prevents fogging.
In wet weather is very hard to have the shield closed and not fog up.
You won't be disappointed.
Cateye77
Feb 11, 2014
Reply to Scott Good answer? Yes (0) No (0)
Lynn Y: For me it is all about the fit. So i got the Arai because it fits me better than the Shoei. I think they a very compareable otherwise. Feb 11, 2014
Reply to Lynn Good answer? Yes (0) No (0)
Mark S: It's all in the fit and finish Comfort and wind noise are my concerns as well............. Feb 11, 2014
Reply to Mark Good answer? Yes (0) No (0)
A shopper asked: Does this helmet come with a chin curtain? I have the XD3 and noticed in cooler weather that a chin curtain would be beneficial. Nov 25, 2013
Answer this · Send to friends Good question? Yes (0) No (0)
Sean M: The helmet does have a chin curtain that pulls down about an inch. I generally wear a balaclava. I've tried a neoprene mask as well but it is overkill. Nov 25, 2013
Reply to Sean Good answer? Yes (0) No (0)
Christopher Y: Yes, the XD-4 has a chin spoiler that pushes up into the chin bar when not needed. Nov 26, 2013
Reply to Christopher Good answer? Yes (0) No (0)
Richard G: Yes it does and it is beneficial in colder temps. Nov 25, 2013
Reply to Richard Good answer? Yes (0) No (0)
Chad S: yes, it does. Nov 25, 2013
Reply to Chad Good answer? Yes (0) No (0)
Benjamin and Stephenie S asked: Does the Arai XD-4 have a dedicated location inside the helmet for communication speakers (e.g. SENA speakers)? Aug 2, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
michael b: There is ample room for speakers , I currently don't utilize my Scala's in this helmet but a Shuberth c3 Aug 3, 2014
Reply to michael Good answer? Yes (0) No (0)
mario a: Has an auricular cavity
Great helmet
Fits tight
Aug 3, 2014
Reply to mario Good answer? Yes (0) No (0)
Stephen S: There is room for speakers behind the cheek pads... Aug 3, 2014
Reply to Stephen Good answer? Yes (0) No (0)
A shopper asked: I wear a Large Shoei RF 1000 Helmet "fits perfect". Not sure what size in the Arai XD 4 Large or Extra Large?
Bill H Jackson, MS
Jul 2, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Brad B: I went from the Shoei Hornet DS to the Arai XD 4 because the Shoei was to narrow or long oval, I tend to fit the round oval better and the Arai was just that. I wore a Med in both. Also the pads have 5 mil removable in the cheak pads that could help if you choose the large over xl. Jul 19, 2014
Reply to Brad Good answer? Yes (0) No (0)
Gail M: Sorry that I cant tell you how it compares to a Shoei,but compared to other Arai's I have, it is a little larger. Jul 3, 2014
Reply to Gail Good answer? Yes (0) No (0)
sammidi a: My advice is You need to try out Jul 24, 2014
Reply to sammidi Good answer? Yes (0) No (0)
A shopper asked: Measured my knoggin this morning at 24.5 inches. According to the sizing chart, the XL will be 1/4 inch small & the 2XL will be 1/4 inch large. Used to ride with an Arai Signet GTR that seemed small (a.k.a probably an XL). Anyone else have an in-between sized head? Did you go up or down on the size? FWIW, as a guess, I'd go up. For the price, I'd like some feedback. Thanks. Mar 11, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
James S: I was in the middle as well. I went up to XL. It's still snug enough after break in. I had to remove a little foam from the liner around the bottom of my ears. It was pressing there and got uncomfortable after 3 or 4 hours. Fine now, one of my favorite helmets. I love the visor and there are no issues with it at normal highway speeds. Above 80 you become aware of the visor but it doesn't take your head off. Mar 21, 2014
Reply to James Good answer? Yes (0) No (0)
Anders B: I have a long oval head. I also have an Arai Profile helmet that is an XL. I went up to the 2XL because it fit better. It isn't as good a fit as the profile but it still fits me pretty well. It is a louder helmet than the Profile and also that small amount of extra room lets me fit a mask when I ride in the cold. Great helmet overall. Mar 14, 2014
Reply to Anders Good answer? Yes (0) No (0)
Kirby D: I had a in between size head and went small--to tight to put my fat head in so I had to return and go bigger. You can always shim a big helmet to fit but it is hard to be a head shrinker. Head shape also matters so pay close attention to those recomendations also. Apr 2, 2014
Reply to Kirby Good answer? Yes (0) No (0)
Camille M asked: how easy does the XD-4 take a communication system like the Scala Rider? Do you need to do any adjustments to the padding, like cutting off some foam or something? Nov 17, 2013
Answer this · Send to friends Good question? Yes (0) No (0)
Glen C: I have the Senna SMH-10 and it was very easy. The ear pads actually have a pocket for speakers. Arai thinks of everything! Nov 25, 2013
Reply to Glen Good answer? Yes (1) No (0)
Richard G: I have the scala and there are no problems attaching it. Nothing needs to be cut or removed. Nov 25, 2013
Reply to Richard Good answer? Yes (1) No (0)
Arthur G: Sorry I can not answer that.
Art
Nov 17, 2013
Reply to Arthur Good answer? Yes (0) No (2)
Bob C asked: Has anyone tried using communications with this helmet? I have issues even keeping my earbuds in. Aug 20, 2014
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Scott M: Hey Bob,
I'm using a Sena smh10 set up - button mic with full speakers from the Sena kit that came with the bluetooth units. The speakers are velcro'ed to the backs that came with them to get the speakers close to my ears. They fit in a space in back of the cheek pad. The wiring is tucked up in the lining and in no way whatsoever do I feel as though I messed with the structural integrity of the helmet. I don't have a wide skull profile and the size large fits my 7.1/4 hat size head just fine. When I put the helmet on, I have to reach into the helmet to position the tops of my ears a bit but at speeds below 60 mph the sound quality is decent - phone calls work both in and outbound if I keep the speed down - am on an 8GS with stock windshield and am 6'5" so wind noise is certainly an issue. All in all, a solid set up involving minimal effort to set up.
Aug 21, 2014
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carlos g: Scala Ride G9 X works perfect. you have to use t external mounting ("glue-on" ) Aug 27, 2014
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Dana S asked: I have an Arai Signet Q in size large. My head is longer than average front-back. Will it fit the same as the Signet Q? May 20, 2014
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mario a: I think you will fit on it. I also have a large head
This helmet fits tight probably you need to removed extra foam chick pads for more room
Very light and comfortable to wear on long rides
Good choice
Mario
May 23, 2014
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mario a: Hi
I also have a big head wear an XL
It fits tight laterally but well in the AP axe
Light helmet excellent choice
I removed extra foam for better fit
May 20, 2014
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A shopper asked: Will the Pinlock visors fit the new XD-4 and do you stock them? Dec 12, 2011
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Chris K: So far, it looks like they haven't changed the shields from the XD-3, but we won't know for sure until a bit closer to the release date. Dec 22, 2011
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755raptor: it will be a new shield but the pinlocks themselves should fit. The new shield has brow vents in it Dec 27, 2011
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Lucian M asked: Hello, are there several types of shell sizes depending on the size? For example, is the shell size for the small size smaller than the shell size for the extra large size? Or is the shell size the same, for any size the helmet comes in? Apr 17, 2014
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Gail B: The shell sizes are different for each size. Apr 17, 2014
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A shopper asked: Is it possible to get the eye protection tinted dark instead of clear? May 14, 2013
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RevZilla: Yes, the Arai XD-4 Faceshield is available in a darker tint. May 24, 2013
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A shopper asked: What is the weight of the XD4? Db rating? How do these specs compare to the XD4 Diamonte? Mar 18, 2013
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RevZilla: The XD4 Diamante is the same as a standard XD4, the only difference is the exterior graphic design on the helmet (which accounts for the price increase). Additionally, Arai doesn't offer any DB ratings for their helmets, but we do know that a large weighs right around 1650 grams or 3 lbs. 10 oz (smaller or larges sizes will be about +/-50 grams per size). Mar 19, 2013
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A shopper asked: I have been wearing "long oval" Profiles- anyone gone from a Profile to an XD4? Is there enough adjustability to make it work? Jan 31, 2013
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RevZilla: The Arai XD4 has an internal shape that is along the intermediate to slightly round side. This makes the possibility of switching from a profile to an XD4 unlikely, especially if you find that the longer oval shape of the profile (or the newer Signet-Q) is a great fit for you. Jan 31, 2013
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Embed Video 165 / Arai Fit Guide

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 SKU ID Manufacturer Product # Availability
Pearl Black / XS 814469 6.85311E+11 In Stock: Usually ships in 1-2 business days
Pearl Black / SM 814470 6.85311E+11 In Stock: Usually ships in 1-2 business days
Pearl Black / MD 814471 6.85311E+11 In Stock: Usually ships in 1-2 business days
Pearl Black / LG 814472 6.85311E+11 In Stock: Usually ships in 1-2 business days
Pearl Black / XL 814473 6.85311E+11 In Stock: Usually ships in 1-2 business days
Pearl Black / 2XL 814474 6.85311E+11 In Stock: Ships within 24 hours
Frost Black / XS 814475 6.85311E+11/A72101 In Stock: Usually ships in 1-2 business days
Frost Black / SM 814476 6.85311E+11/A72102 In Stock: Ships within 24 hours
Frost Black / MD 814478 6.85311E+11/A72103 In Stock: Ships within 24 hours
Frost Black / LG 814480 6.85311E+11/A72104 In Stock: Ships within 24 hours
Frost Black / XL 814481 6.85311E+11/A72105 In Stock: Ships within 24 hours
Frost Black / 2XL 814477 6.85311E+11/A72106 In Stock: Usually ships in 1-2 business days
White / XS 814463 6.85311E+11/A72001 Out of Stock
White / SM 814464 6.85311E+11/A72002 In Stock: Ships within 24 hours
White / MD 814465 6.85311E+11/A72003 In Stock: Ships within 24 hours
White / LG 814467 6.85311E+11/A72004 In Stock: Ships within 24 hours
White / XL 814466 6.85311E+11/A72005 In Stock: Ships within 24 hours
White / 2XL 814468 6.85311E+11/A72006 In Stock: Usually ships in 1-2 business days
Aluminum Silver / XS 814479 6.85311E+11/A72051 In Stock: Usually ships in 1-2 business days
Aluminum Silver / SM 814482 6.85311E+11/A72052 In Stock: Ships within 24 hours
Aluminum Silver / MD 814483 6.85311E+11/A72053 In Stock: Ships within 24 hours
Aluminum Silver / LG 814484 6.85311E+11/A72054 In Stock: Ships within 24 hours
Aluminum Silver / XL 814485 6.85311E+11/A72055 In Stock: Ships within 24 hours
Aluminum Silver / 2XL 814486 6.85311E+11/A72056 In Stock: Ships within 24 hours