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We're sorry but all Size / Color combinations for this product are currently out of stock.

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Product Details

Helmet shape is Round Oval

Shape: Round Oval

What's this?

Item Condition: This is a new item that has light cosmetic damage which may include, but is not limited to scuffs, scratches, stains, chips or dings. The damage affects the aesthetics but not the function of the item. The original packaging may or may not be present. The left side of the helmets outer shell has a scuff mark. MFG: 07/2025

GMax MD04 Helmet

The GMax MD04 Modular Helmet 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.

Features:

  • CoolMax interior keeps you dry and comfortable
  • DEVS (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
  • Easy to use chin bar with push to open mechanism designed for use with glove
  • 100% UV400 protection face shield that comes anti-scratch hard coated for a longer lasting clear view
  • DOT approved
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Black / LG RevZilla Item #10576581 Store Sku MFR. Product #G104026 AvailabilityOut of Stock

GMax Helmet Sizing

For riders falling between sizes, we recommend sizing down.
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 Description
Part Numbers
Sizing & Fit
46 Customer Reviews for All Models
46 5/5
13 Questions & 13 Answers for All Models
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