Arai · Defiant-X
Arai Defiant-X
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.
Intermediate oval fit, adjustable cheek pads for a customizable fit.
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
"Safety is our business"
Die Arai Defiant-X überzeugt mit einer eleganten Optik, die auf der Straße Selbstvertrauen ausstrahlt, unterstützt durch hochmoderne Technik, die Form und Funktion optimal vereint. Das aerodynamische Design reduziert Winddruck und Luftwiderstand, während das Belüftungssystem mit zentralem Kanal und seitlichen Lufteinlässen den Luftstrom reguliert und Beschlagen minimiert. Das Ergebnis ist eine klare, ungehinderte Sicht dank des Pinlock MaxVision-kompatiblen Visiers. Mit der PB-cLc2-Schalenkonstruktion und der ovalen Passform bietet die Defiant-X herausragenden Aufprallschutz und höchsten Tragekomfort. Ob auf kurvigen Landstraßen oder bei der Autobahnfahrt – der Arai Defiant-X ist der ultimative Tourenhelm, der Stil, Performance und Schutz perfekt vereint.
Key Highlights:
Rider Profile & Intended Use
Wo kaufen
| Händler | Preis | Availability | |
|---|---|---|---|
| Amazon (US) | Aktuellen Preis prüfen | Auf der Website ansehen | Preis prüfen → |
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Preisverlauf & Trends
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Product Concept & Specifications
Arai (Japan)Engineering & Biomechanical Safety Analysis
Die Arai Defiant-X verfügt über eine PB-cLc2-Schalenkonstruktion für verbesserten Aufprallschutz, einen bequemen Sitz mit verstellbaren Wangenpolstern sowie ein Belüftungssystem mit zentraler Leitung und seitlichen Lufteinlässen zur Regulierung des Luftstroms und zur Reduzierung von Beschlagbildung.
The Arai Defiant-X is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from PB-cLc2. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.
Certified to DOT, Snell M2020 protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.
Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.
Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Regional Legality & Compliance
Compliant with Snell M2020 and DOT certifications.
Compliant with Snell M2020 and DOT certifications.
Compliant with ECE 22.05 certification.
Compliant with AS/NZS 1698:2006 certification.
Compliant with JIS T 8133:2015 certification.
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
Intermediate oval fit, adjustable cheek pads for a customizable fit.
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.
Part numbers
| Product style | MFR. product # | SKU | Availability |
|---|---|---|---|
| Gloss Black / | — |
ARA-DEFI-BLK | instock |
| Anthracite / | — |
ARA-DEFI-GRE | instock |
| Vortex Blue / | — |
ARA-DEFI-VOR | instock |
| Tech TC-3 / | — |
ARA-DEFI-TEC | instock |
| Operator TC-3 / | — |
ARA-DEFI-OPE | instock |
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| AU | 799 AUD | In Stock | Official | 2024-03-17 |
| CA | 699 CAD | In Stock | Official | 2024-03-17 |
| EU | 599 EUR | In Stock | Official | 2024-03-17 |
| JP | 79900 JPY | In Stock | Official | 2024-03-17 |
| US | 599 USD | In Stock | Official | 2024-03-17 |
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Compatible Motorcycles for the Arai Defiant-X
Acoustically insulated for laminar highway airflow, drop-down sun visor utility, and reduced neck strain.
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.