GMax · GM-11S · GMax GM-11S
GMax GM-11S Urban Grey
Design Concept & Background
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GMax GM-11S Urban Grey is a high-performance Dirt/MX helmet engineered by GMax to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.
Rider Profile & Intended Use
Where to buy
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Amazon (US)
Store Profile
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$159.95 | ● In Stock | 1 second ago | Buy Now → |
Certified GMax Stores in US
Price History
Product Concept & Specifications
GMax (United States)Engineering & Technical Analysis
The GMax GM-11S Urban Grey features a polycarbonate shell for lightweight durability and intermediate oval fit for a secure, comfortable fit. Its dirt/MX design includes advanced ventilation channels to keep riders cool during off-road use, while the helmet's safety tech ensures impact protection. The lightweight construction and ergonomic design enhance comfort during extended rides, making it a practical choice for motocross enthusiasts.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Aero-acoustic profile pending track testing. Ventilation flow score awaiting CFD test.
Technology & Convenience
Regional Legality & Compliance
Meets Federal Motor Vehicle Safety Standard 218 requirements.
Accepted for use in most provinces under DOT compliance.
Lacks ECE certification required for public road use in European countries.
Regional Legality Guidance
Interactive Size & Fit Finder
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
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