The MD04 Street Quadrant Modular is the perfect lightweight helmet for cross-country adventures. The MD04 has all the essentials, including a list of standard GMAX features normally only found on more expensive helmets.
- Manufacturer: Gmax Helmets
- DuPont Coolmax® interior keeps you dry and comfortable. Coolmax® wicks moisture away from your body and dries quickly
- Removable, adjustable, washable Coolmax® interior allows for easy cleaning and custom fitting
- GMAX D.E.V.S (dual exhaust venting system) top and rear vents reduce temperature by allowing hot air to escape from the top of the helmet
- Vents close to completely seal out the cold
- Adjustable mouth vent directs air upward across the inside the shield to help reduce fogging
- Lightweight ABS shell. Large size only 4 lbs.
- Easy to use chin bar with push to open mechanism designed for use with gloves
- 100% UV400 protection face shield that comes anti-scratch hard coated for a longer lasting clear view
- DOT approved
Gmax Helmet Sizing Chart
| Helmet Size |
Centimeter |
Hat Size |
Inches |
| XS |
54cm - 55 cm |
6-3/4” |
21-1/4” - 21-5/8” |
| Small |
56 cm - 57 cm |
7” - 7-1/8” |
22” - 22-7/16” |
| Medium |
58 cm - 59 cm |
7-1/4” - 7-3/8” |
22-13/16” - 23-1/4” |
| Large |
60 cm - 61 cm |
7-1/2” - 7-5/8” |
23-5/8” - 24" |
| X Large |
62 cm - 63 cm |
7-3/4” - 7-7/8” |
24-3/8” - 24-13/16” |
| XX Large |
64 cm - 65 cm |
8” - 8-1/8” |
25-3/16” - 25-5/8” |
| XXX-Large |
66 cm - 67 cm |
8-1/4” - 8-3/8” |
26” - 26-3/8” |
