Discontinued Product!

The GMax GM55 Helmet - Solid (Size XS Only)
has been discontinued and will not be returning
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Half Helmets
Out of Stock
GMax GM55 Helmet - Solid (Size XS Only)

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GMAX leads the helmet industry with another innovative helmet, the GM 55 half helmet with retractable sun shield, lightweight small shell design that sits down on your head and GMAX industry leading "No Bull Venting Design" all for a reasonable price! 


  • Retractable hard coated sun shield, changeable, simple no springs design
  • Premium venting reduces heat at the top of the head
  • Comfort liner, shell and styro designed for maximum venting without reducing the integrity of the helmet
  • Coolmax performance materials and Chitosan anti-bacterial materials improve comfort and safety
  • Removable washable comfort liner
  • GMAX premium fit for maximum comfort
  • Included with removable snap in rear neck curtain for cool weather riding
  • Premium soft materials used for padded chin strap covering
Bang For The Buck
4.9 / 5

GMax Helmet Sizing

Size Head (cm)
XS 53 - 54
SM 55 - 56
MD 57 - 58
LG 59 - 60
XL 61 - 62
2XL 63 - 64
3XL 65 - 66
4XL 67 - 68

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
Carbon / XS 566034 G155413 Out of Stock


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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

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4.7 / 5.0
13 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang For The Buck
4.9 / 5
Best DOT helmet for the price!
There's not much helmet you can get for this kind of price these days but this one is great. It has pros and cons as to be expected so here goes, pros: I used the size guide and I normally wear a large but a medium was right on the money, fits like a glove; it's been too hot to use the nape guard but after trying it on with it attached I can definitely see the benefit this will have during cooler weather; the buckles are high quality steel and the matte black finish looks great! I've read some complaints about the built in eye protection allowing too much air to flow underneath which is true to an extent but if you tilt the helmet forward to where the nose piece is just above the bridge of your nose it works a lot better.<br><br>So now for the minor annoyances: the lining is removable for washing which is good however, when you remove the helmet the liner tends to pull out as you lift; the chin strap buckle retainer may as well not even be there, do yourself a favor: either cut it and burn the end, or tuck the excess in the chin strap like most everyone does anyway.<br><br>Now for what everyone is waiting for, the profile. It's a DOT helmet and therefore has to have a minimum of 1" of padding. Having said that it does sit higher than a novelty helmet. It does however have a much lower profile then another model I was wearing. I've done a ton of homework on the subject before selecting this helmet. Anything smaller that I came across was either recalled, or their company is out of business. Searching for a helmet that has a lower profile is like the quest for the Holy Grail.<br><br>I hope you find this helpful!
July 15, 2013
2001 Honda VT1100C3 Shadow Aero
Bang For The Buck
4 / 5
Revzilla consistently great
Got great advice from Revzilla staff, all questions answered, no pressure. Ordered 2 of these (for my wife and I), advised of easy return/exchange if any problems at all. Chose regular shipping (which ended up being free anyway) and still arrived at our door in 24 hours! Very happy with this vendor.<br>As for the helmet, DOT approved half-helmet that doesn't give you mushroom head. What more can you ask for?
August 5, 2013
Bang For The Buck
5 / 5
Definitely Recommend
This helmet comes with some really great features for the price. If you follow the sizing guide, the helmet fits great and although it is a bit more of an oval shape, (my head is pretty round) it doesn't sit up high on my head. The coolmax liner gives you some nice padding and you'll get some airflow across the top of your head. Also the visor is great if you forget your goggles or shades. Its not going to stop the air from getting into your eyes but if you have glasses or clear goggles it will pull down right in front of them and you will look like RoboCop! I am coming from a full face helmet trying out a half shell and I really liked the look of this helmet, the style of it, and the more free feeling experience you get with an open helmet.
April 14, 2014
Bang For The Buck
5 / 5
Great product for the price!
Love everything about the helmet, only thing is that it felt a little tight. So I just grabbed a piece of sand paper and shaved down the inside of the helmet. Now it fits perfect and feels great on my head. Overall this was a awesome purchase!
August 12, 2013
Bang For The Buck
5 / 5
This helmet great!
Great price, durability is great and fits comfortably. I love it, for the price great product. And dot approved.. Awesome
June 3, 2013
Almost perfect
This helmet is great at everything you expect a half helmet to be... almost.<br><br>The size runs a bit large which was exactly what I needed. After trying the HJC-IS2 XXL and the Bell Pit Boss XL, only this helmet fit me.<br><br>Also, this is the second GMAX helmet I have owned. I tried the others after having the GMAX for two reasons. One, I couldn't get a replacement head liner. Two, the elastic band that holds the end of the chin strap fails after about a year of use. But for the price, I guess it is a fair trade.<br><br>With this new one I plan to have a snap installed to take care of the elastic band and wear a bandana to help keep the headliner cleaner and last longer.
July 31, 2013
Bang For The Buck
5 / 5
Not too much of a bubble head
Fits well. I do an XL helmet in full face, this one I ordered a large and it is perfect.
September 2, 2013
Bang For The Buck
5 / 5
Good value
I was used to an external sun visor on my other helmet. For those sunny Florida days ,even with polarized sunglasses on, a visor helps. Anyway , this helmet doesn't have an external visor, but the internal pull down visor is adjustable and works just as we'll.
November 13, 2013
Bang For The Buck
5 / 5
Awesome helmet for city riding.
Love the helmet, fits snug, true to size, and comfortable.<br><br>I ordered matte black and it is very stylish, and looks great. No mushroom head for me. Good lower profile helmet. Has looks/function.<br><br>My head measured just under 24" and it's comfortably snug. I've only had it for a week so the padding hasn't formed much yet. I ordered the large size.<br><br>Haven't had any lifting issues (I have a windshield) had it on up to 80mph.<br><br>Straps are comfortable, and don't slide around. Seems like solid construction inside and out.<br><br>I do not use the visor because of RX eyewear.<br><br>I would definitely recommend this helmet, and will be purchasing another for a rider.
June 20, 2013
2003 Yamaha XVS1100A V Star 1100 Classic
Bang For The Buck
5 / 5
Great Quality and Fit
I went to a local dealer and tried on a bunch of different brands of half helmets and none seemed to fit well. I came back to revzilla and took a chance on this helmet. The size chart said it would fit well, and the price was right to try it out.<br><br>I was not disappointed. This helmet fits perfectly for me based on the size chart. The quality of the helmet is excellent. No pressure points for me personally, and the included air curtain for the ears, and the internal sun visor makes this helmet a great buy for anyone looking for a little more wind in their face.<br><br>My one complaint about the helmet is with the liner. When I take the helmet off, the liner puffs out a bit as it hugs/sticks to the hair/skin. A simple touch in the top of the helmet pushes it back in just fine. It's only a minor complaint - but all the good this helmet has going for it far outweighs it.<br><br>The helmet is currently on closeout right now, so I'm not sure if Revzilla is just ceasing to carry them, or if they're going out of production for a new model - but the GM55 is a great helmet. If you're on the fence, snag it up while you can here!<br><br>Revzilla shipped very quickly and I got it (free shipping) within two business days. I couldn't be happier!
August 15, 2013
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Have a functionality, fit, or otherwise product-specific question about the GMax GM55 Helmet - Solid (Size XS Only)? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

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Why did you choose this?
RevZilla Store
Best price ! Free shipping
Doug V on Jul 27, 2014
price is good.
Jay M on Apr 24, 2014
Best price ! Free shipping
Doug V on Jul 27, 2014
Works good for modification to helmet
Alvin H on Jun 6, 2014
price is good.
Jay M on Apr 24, 2014
Style and price
David B on Sep 4, 2013
Works good for modification to helmet
Alvin H on Jun 6, 2014
Style and price
David B on Sep 4, 2013
Does this helmet have a zip out lining at the neck?
A shopper on May 2, 2015
BEST ANSWER: Yes, it also covers your ears
Is it DOT approved?
Bastian K on Jul 19, 2015