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GMAX GM17 Metallic Open Face Helmet

DOT Certified
Was $69.95
Save $7.98 (11%)
Dark Silver Metallic
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Q & A

Have a product related question about fit, features, or functionality? Ask it here.

If you have a question about availability or need immediate assistance, call 1-800-841-2960.

What does this weigh? Is it at the SanBerdo location?
Jeff - August 5, 2019
Thank you for your inquiry Jeff. We have just over 100 of these GM17 helmets in-stock here in San Bernardino. We have the Dark Silver in Small, Medum, Large and X-Large. -- Kyle & the Chap Moto Team
Chaparral Motorsports Customer Support - August 19, 2019
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GMAX GM17 Metallic Open Face Helmet

Shipping & Returns

Orders $100 and over qualify for our free shipping offer. See our full shipping policy for further shipping details.

Return any new, unused and unaltered item within 30 business days. Create a return label online for as little as $7.99. Please read our return policy.


  • State of the art engineered lightweight thermo-plastic poly alloy shell
  • High tech shell design for maximum venting and comfort
  • Easily removable aerodynamic flush mounted screwless shield is hard coated to reduce scratching
  • Industry leading eight vents, including GMAX top vents and rear vents with premium SPC vented styrofoam and interior engineered for maximum airflow control
  • Removable, adjustable, Coolmax interior and cheek pads for premium comfort and GMAX Supreme Fit
  • Coolmax interior fabric moves moisture away from your skin and the fabric drys quickly, keeping you cool and comfortable
  • Speaker pockets for easy speaker/communication system installation
  • High quality painted clear coat finish
  • Padded chin strap
  • DOT approved
  • Dark Silver Metallic

GMAX Adult Helmets

Size Head Circumference (in) Head Circumference (cm) US Hat Size
XXS 20-1/16 - 20-7/16 51 - 52 6-3/8 - 6-1/2
XS 20-7/8 - 21-1/4 53 - 54 6-5/8 - 6-3/4
S 21-5/8 - 22 55 - 56 6-3/4 - 7
M 22-7/16 - 22-13/16 57 - 58 7-1/8 - 7-1/4
L 23-1/4 - 23-5/8 59 - 60 7-3/8 - 7-1/2
XL 24 - 24-3/8 61 - 62 7-5/8 - 7-3/4
XXL 24-13/16 - 25-3/16 63 - 64 7-7/8 - 8
3XL 25-5/8 - 26 65 - 66 8-1/8 - 8 1/4
4XL 26-3/8 - 26-3/4 67 - 68 8-3/8

General Sizing information

If you are unsure about your size, compare your body measurements to the charts provided to determine the correct fit. These charts will give you a good idea of the size to order, but be sure to read special sizing information that may accompany an item description. Some merchandise dimensions may vary from the averages charted here.

Head Circumference

With tape level, measure the circumference of your head 1 inch above eyebrows and across the largest portion of the back of your head.


Age & Gender
Model Name for Gear
Safety Certification
DOT Certified

Item Numbers

Details Item Number Availability Store Pickup
Details:Dark Silver Metallic  L Item #131-72-4808-L Availability:In stock: Ready to shipStore Pickup:Available
Details:Dark Silver Metallic  M Item #131-72-4808-M Availability:In stock: Ready to shipStore Pickup:Available
Details:Dark Silver Metallic  S Item #131-72-4808-S Availability:In stock: Ready to shipStore Pickup:Available
Details:Dark Silver Metallic  XL Item #131-72-4808-XL Availability:In stock: Ready to shipStore Pickup:Available


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