Arai · Quantum-X
Arai Quantum-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, round 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"
The Arai Quantum-X is a premium full-face helmet engineered to deliver exceptional performance, protection, and style. Its sleek design combines advanced aerodynamics with a comfortable, round-oval fit, ensuring stability at high speeds and a secure feel on the road. The helmet's advanced ventilation system, featuring adjustable intake and exhaust vents, provides optimal airflow and moisture management, keeping you cool and dry even on the longest rides. With its Multi-directional Impact Protection System (MIPS) and certification to both DOT and Snell M2020 standards, the Quantum-X prioritizes safety without compromising on style. Its PB-cLc shell construction offers superior impact absorption and durability, while the helmet's secure, easy-to-use fastening system provides a snug and confident fit. Whether you're touring or commuting, the Arai Quantum-X is the ultimate choice for riders who demand the best.
Key Highlights:
Rider Profile & Intended Use
Where to buy
| Retailer | Price | Availability | |
|---|---|---|---|
| Amazon (US) | Check live price | View on site | Check Price → |
| Revzilla Us | Check live price | View on site | Check Price → |
Price History & Trends
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Product Concept & Specifications
Arai (Japan)Engineering & Biomechanical Safety Analysis
The Arai Quantum-X features advanced PB-cLc shell construction for superior impact absorption and durability. Its aerodynamic design enhances stability at high speeds while maintaining a comfortable, round-oval fit. The helmet includes Arai's advanced ventilation system with adjustable intake and exhaust vents for optimal airflow. Additional comfort features include moisture-wicking interior liners and a secure, easy-to-use fastening system.
The Arai Quantum-X is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from PB-cLc. 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 Round 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
Round Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Regional Legality & Compliance
Certified to DOT FMVSS 218 and Snell M2020 standards
Certified to ECE 22.06 standard
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
Intermediate oval, round 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-QUAN-BLK | instock |
| Silver Metallic / | — |
ARA-QUAN-GRE | instock |
| Pearl White / | — |
ARA-QUAN-WHI | instock |
| Solid TC-5 / | — |
ARA-QUAN-SOL | instock |
| Operator Blue / | — |
ARA-QUAN-OPE | instock |
| Flow TC-1 / | — |
ARA-QUAN-FLO | instock |
Available Colors & Graphics
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 729.95 USD | In Stock | Official | 2024-05-22 |
View on retailers
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Compatible Accessories
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DT-X
Classic-V
Contour-X
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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.