GMAX GM38 Solid Adult Street Helmets
$76.46 to $84.95 $84.95
You save $8.49 (10%) $8.49
GMAX GM38 Solid Adult Street Helmets - 72-573
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GMAX GM38 Solid Adult Street Helmets

The GM38 proves that quality doesn't have to break the bank. With standard features like a quick change shield, snap in chin curtain, and GMAX's D.E.V.S. anti-fog system, the GM38 is the best bang for your buck in the GMAX line.

  • GMAX reduced noise design; specially designed cheek pads, neck curtain, optimal shield sealing and deluxe venting reduce unwanted noise
  • Adjustable chin vents direct air upwards across the inside of the shield to help reduce fogging
  • Optional outer flip tint sun lenses
  • Large eyeport opening for greater visibility
  • Deluxe ear pockets for better fit and speaker installation
  • Snap in chin curtain
  • DOT Approved
  • Available colors: White, Black, Flat Black, Candy Red, Dark Metallic Silver
  • Available sizes: 2X-Small, Medium, Large, X-Large, 2X-Large, 3X-Large
  • SKU: 72-5731XXS, 72-5731XS, 72-5731S, 72-5731M, 72-5731L, 72-5731X, 72-5731XX, 72-5731XXX, 72-5730XXS, 72-5730XS, 72-5730S, 72-5730M, 72-5730L, 72-5730X, 72-5730XX, 72-5730XXX, 72-5738XXS, 72-5738XS, 72-5738S, 72-5738M, 72-5738L, 72-5738X, 72-5738XX, 72-5738XXX, 72-5734XXS, 72-5734XS, 72-5734S, 72-5734M, 72-5734L, 72-5734X, 72-5734XX, 72-5734XXX, 72-5739XXS, 72-5739XS, 72-5739S, 72-5739M, 72-5739L, 72-5739X, 72-5739XX, 72-5739XXX
Product Image
Color
Size
SKU
Availability
Price
White
White
2X-Small
72-5731XXS-WPS
Out of Stock
$84.95
White
White
X-Small
72-5731XS-WPS
In Stock
$84.95
White
White
Small
72-5731S-WPS
In Stock
$84.95
White
White
Medium
72-5731M-WPS
In Stock
$76.46$84.95
White
White
Large
72-5731L-WPS
In Stock
$76.46$84.95
White
White
X-Large
72-5731X-WPS
In Stock
$76.46$84.95
White
White
2X-Large
72-5731XX-WPS
Out of Stock
$84.95
White
White
3X-Large
72-5731XXX-WPS
In Stock
$76.46$84.95
Black
Black
2X-Small
72-5730XXS-WPS
Out of Stock
$84.95
Black
Black
X-Small
72-5730XS-WPS
Out of Stock
$84.95
Black
Black
Small
72-5730S-WPS
In Stock
$76.46$84.95
Black
Black
Medium
72-5730M-WPS
In Stock
$76.46$84.95
Black
Black
Large
72-5730L-WPS
In Stock
$76.46$84.95
Black
Black
X-Large
72-5730X-WPS
In Stock
$76.46$84.95
Black
Black
2X-Large
72-5730XX-WPS
Out of Stock
$84.95
Black
Black
3X-Large
72-5730XXX-WPS
Out of Stock
$84.95
Flat Black
Flat Black
2X-Small
72-5738XXS-WPS
Out of Stock
$84.95
Flat Black
Flat Black
X-Small
72-5738XS-WPS
Out of Stock
$84.95
Flat Black
Flat Black
Small
72-5738S-WPS
Out of Stock
$76.46$84.95
Flat Black
Flat Black
Medium
72-5738M-WPS
In Stock
$84.95
Flat Black
Flat Black
Large
72-5738L-WPS
Out of Stock
$76.46$84.95
Flat Black
Flat Black
X-Large
72-5738X-WPS
In Stock
$76.46$84.95
Flat Black
Flat Black
2X-Large
72-5738XX-WPS
In Stock
$76.46$84.95
Flat Black
Flat Black
3X-Large
72-5738XXX-WPS
Out of Stock
$84.95
Candy Red
Candy Red
2X-Small
72-5734XXS-WPS
Out of Stock
$84.95
Candy Red
Candy Red
X-Small
72-5734XS-WPS
Out of Stock
$84.95
Candy Red
Candy Red
Small
72-5734S-WPS
Out of Stock
$84.95
Candy Red
Candy Red
Medium
72-5734M-WPS
Out of Stock
$84.95
Candy Red
Candy Red
Large
72-5734L-WPS
Out of Stock
$84.95
Candy Red
Candy Red
X-Large
72-5734X-WPS
Out of Stock
$84.95
Candy Red
Candy Red
2X-Large
72-5734XX-WPS
Out of Stock
$84.95
Candy Red
Candy Red
3X-Large
72-5734XXX-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
2X-Small
72-5739XXS-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
X-Small
72-5739XS-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
Small
72-5739S-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
Medium
72-5739M-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
Large
72-5739L-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
X-Large
72-5739X-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
2X-Large
72-5739XX-WPS
Out of Stock
$84.95
Dark Metallic Silver
Dark Metallic Silver
3X-Large
72-5739XXX-WPS
Out of Stock
$84.95

YOUR HELMET IS THE MOST IMPORTANT PART OF YOUR RIDING GEAR.

MAKE SURE IT FITS CORRECTLY.

GMAX Helmets Size Chart

ADULT HELMETS
Size U.S. Hat Size Inches CM
S 6 3/4 - 7 21 5/8" - 22" 55-56 cm
M 7 1/8 - 7 1/4 22 7/16" - 22 13/16" 57 - 58 cm
L 7 3/8 - 7 1/2 23 1/4" - 23 5/8" 59 - 60 cm
XL 7 5/8 - 7 3/4 24" - 24 3/8" 61 - 62 cm
XXL 7 7/8 - 8 24 13/16" - 25 3/16" 63 - 64 cm
XXXL 8 1/8 - 8 1/4 24 13/16" - 25 3/16" 63 - 64 cm
XXXXL 8-3/8 26 3/8" - 26 3/4 67 - 68 cm
YOUTH HELMETS
Size U.S. Hat Size Inches CM
YOUTH S 6 1/8 - 6 1/4 19 5/16" - 19 11/16" 49 - 50 cm
YOUTH M/XXS 6 3/8 - 6 1/2 20 1/16" - 20 7/16" 51 - 52 cm
YOUTH L/XS 6 5/8 - 6 3/4 20 7/8" - 21 1/4" 53 - 54

A properly fitted helmet will improve many aspects of your ride. It will make you more comfortable by not creating hot spots. It will make you more aware of your surroundings by dampening noise and increasing visual clarity. In the event of an accident, a helmet that fits your head properly will have the best chance of protecting you from injury. The helmet fitting methods described here are focused on fitting for full face helmets. Many of these same techniques will apply to 3/4 and half-helmets as well. When trying on helmets in your local shop, seek the advice of parts and accessories experts. They will be glad to help.

1. SIZE CHART

To find your approximate size measure the circumference of your head one-inch above eyebrows and across the largest portion of the back of your head. Cross reference this measurement on the helmet size chart to determine the approximate size.

2. CROWN FITMENT

When trying on a helmet, the first area to focus on is the crown. Make sure that the crown of the helmet matches the shape of your head. It should fit like a comfortable hat with equal pressure around the circumference of your crown.

To test the fit of the helmet place one hand on the back of the helmet and push forward. Check to see if you can create a gap on your forehead. If you can insert more than the very tip of your finger in-between the inside of the helmet and your head then you should try a smaller size. If that smaller size fits your crown but is too tight on your face, see if there is a thinner cheek pad available to relieve the pressure on your face. If you are unsure which size fits best then remove the cheek pads from each helmet and try them on without the pads. This will give you the best indication of which helmet to choose.

3. CHEEK PADS

The way cheek pads fit can make a huge difference in the way a helmet feels. Too tight and you'll be uncomfortable. Too loose and the helmet will be noisy and will move around when riding. There is some amount of personal preference when selecting the proper size. The cheek pads will break in substantially in the first couple hours of riding so go with the tightest fit you can comfortably wear.

4. ROLL OFF TEST

Once you have the crown and cheek pads where you want them, you can then check for helmet stability. Without the chin strap fastened, grab the helmet from the rear and see if you can roll it forward off of your head. You should feel it grip the back of your head and resist rolling forward off of your head. If the helmet does roll forward off of your head, try a smaller size or a different model.

5. VISUAL CHECK

You can see if a helmet fits correctly by looking in the mirror. The brow of the helmet should comfortably rest somewhere between just above your brow bone to one inch (25mm) above your brow. Grab the chin bar and move it lightly side to side. You should see and feel the cheek pads remain in contact with your face.

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

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