GMax · GM-11 · GMax GM-11
GMax GM-11 Matte Black
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
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.
Design Concept & Background
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The GMax GM-11 is engineered for riders who demand reliability and performance on dirt trails and motocross tracks. Featuring a high-impact polycarbonate shell, this helmet offers a robust barrier against debris and impact, ensuring rider safety without compromising on weight. Its advanced ventilation system is meticulously designed to provide optimal airflow, effectively reducing heat buildup and rider fatigue during intense, extended sessions. The interior is shaped in an intermediate oval profile, catering to the most common head dimensions for a secure, comfortable fit that stays stable even on the roughest terrain. With sleek, aggressive styling that reflects its off-road pedigree, the GM-11 balances durability with essential functionality. The wide eye port ensures excellent peripheral vision, allowing riders to maintain focus on the path ahead. Whether you are a weekend enthusiast or a dedicated off-road competitor, the GMax GM-11 delivers the protection, comfort, and airflow necessary to push your limits with confidence.
Key Highlights:
Rider Profile & Intended Use
Where to buy
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Amazon (US)
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Price History & Trends
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Product Concept & Specifications
GMax (United States)Engineering & Technical Analysis
The GMax GM-11 Matte Black features a polycarbonate shell for durability and impact resistance, making it suitable for dirt and MX riding. Its intermediate oval head shape ensures a snug fit for most riders, while the ventilation system provides airflow to keep the rider cool. The helmet prioritizes safety with its robust construction and comfort with its moisture-wicking interior, ideal for off-road conditions.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
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.
Available Colors & Graphics
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Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.