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.
Ajustement en forme d'ovale intermédiaire, coussinets latéraux réglables pour un ajustement personnalisé.
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"
L'Arai Defiant-X arbore un style élégant qui inspire confiance sur la route, soutenu par une ingénierie avancée qui privilégie à la fois l'esthétique et la fonctionnalité. Sa conception aérodynamique réduit les turbulences et le frottement du vent, tandis que son système de ventilation, doté d'un conduit central et d'entrées latérales, régule le flux d'air et minimise l'apparition de brouillard. Le résultat est une vue claire et dégagée, grâce à la visière prête pour le Pinlock MaxVision. Avec sa coque PB-cLc2 et son ajustement en forme d'ovale intermédiaire, le Defiant-X offre une protection contre l’impact exceptionnelle et un ajustement confortable. Que vous naviguiez sur des routes sinueuses ou que vous roulez sur l'autoroute, l'Arai Defiant-X est le casque de tourisme ultime, offrant un équilibre parfait entre style, performance et protection.
Key Highlights:
Rider Profile & Intended Use
Où acheter
| Revendeur | Prix | Availability | |
|---|---|---|---|
| Amazon (US) | Voir le prix en temps réel | Voir sur le site | Voir le prix → |
| Revzilla Us | Voir le prix en temps réel | Voir sur le site | Voir le prix → |
Historique et tendances des prix
ℹ️ Helmetsan est un moteur indépendant de sécurité et d’aide à la décision pour les motos. Lorsque vous consultez des prix ou achetez via des liens de revendeurs, Helmetsan peut percevoir une commission d’affiliation, sans frais supplémentaires pour vous.
Product Concept & Specifications
Arai (Japan)Engineering & Biomechanical Safety Analysis
L'Arai Defiant-X est doté d'une coque PB-cLc2 pour une protection accrue contre l'impact, un ajustement confortable avec des coussinets latéraux réglables et un système de ventilation comprenant un conduit central et des entrées latérales pour réguler le flux d'air et réduire l'apparition de brouillard.
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
Ajustement en forme d'ovale intermédiaire, coussinets latéraux réglables pour un ajustement personnalisé.
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 |
View on retailers
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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.