Arai EX-40X Gloss Black
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Add to compareQuick 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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Experience the pinnacle of Japanese engineering with the Arai EX-40X, a full-face helmet designed for riders who demand uncompromising safety without sacrificing style. Its sleek gloss-black finish exudes sophistication, while the aerodynamic contours slice through the wind to reduce drag and fatigue on long-distance rides. This helmet represents the perfect fusion of cutting-edge technology and timeless design.
Rider Profile & Intended Use
Where to buy
Price History & Trends
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Product Concept & Specifications
Arai (Japan)Engineering & Technical Analysis
The Arai EX-40X utilizes a proprietary thermoforming process that allows for the integration of carbon fiber reinforcement directly into the polycarbonate shell structure. This hybrid approach significantly enhances torsional rigidity while maintaining a weight reduction of approximately 20% compared to traditional fiberglass-reinforced shells. The internal EPS liner features a multi-density construction with an expanded polystyrene core surrounded by a high-impact absorption layer, ensuring optimal energy dissipation during frontal and angular impacts.
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.
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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.