HJC · RPHA 71
RPHA 71 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.
专为旅行设计，配备加长颊垫和略大的内部空间；适合大多数头型，但在极小的头型上可能会感觉松动。
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 First"
体验 HJC RPHA 71 Matte Black：融合韩国 🇰🇷 工艺与 RapidFire II 遮阳镜更换系统，配备 2D 平面赛道遮阳镜和双重锁定机制，并搭载 ACS 高级通道通风系统和 Multicool 抗细菌温度调节内衬。是追求极致安全与气动声学舒适度的骑士的完美选择。
RPHA 71 Matte Black represents an empirical engineering balance between aerodynamic stability and high-absorption cranial protection. Developed under HJC's strict quality assurance standards in South Korea, the shell profile is precision-molded to minimize high-velocity turbulent drag while maintaining comprehensive multi-axis impact attenuation.
Within the Touring segment, ergonomic weight distribution and acoustic insulation are paramount. The chassis geometry is tailored to distribute mass directly above the cervical pivot axis, counteracting high-speed buffeting and minimizing long-distance rider fatigue. Inspect the verified laboratory telemetry and structural analysis below for detailed performance parameters.
Key Highlights:
Rider Profile & Intended Use
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| 零售商 | 价格 | Availability | |
|---|---|---|---|
| Amazon (US) | 查看实时价格 | 在网站上查看 | 查看价格 → |
价格历史与趋势
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Product Concept & Specifications
HJC (South Korea)Engineering & Biomechanical Safety Analysis
采用 Premium Integrated Matrix (P.I.M. Plus) 碳纤维与碳纤维玻璃混合织物外壳结构，搭配 RapidFire II 遮阳镜更换系统（含 2D 平面赛道遮阳镜和双重锁定机制）。内衬采用 ACS 高级通道通风系统和 Multicool 抗细菌温度调节内衬，并预留扬声器开口，可无缝集成蓝牙通讯系统。
The RPHA 71 Matte Black is engineered as a high-integrity Touring protective system, utilizing a structural shell constructed from PIM Evo. 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, ECE 22.06 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
Meets Federal Motor Vehicle Safety Standard 218.
Compliant with regional safety standards for road use.
Regional Legality Guidance
Certification Documents & References
Interactive Size & Fit Finder
专为旅行设计，配备加长颊垫和略大的内部空间；适合大多数头型，但在极小的头型上可能会感觉松动。
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.
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 499.99 USD | In Stock | Official | 2024-05-22 |
| CA | 679.99 CAD | In Stock | Official | 2024-05-22 |
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Compatible Motorcycles for the RPHA 71 Matte Black
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.