HJC · RPHA 71
HJC RPHA 71
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.
中等椭圆形贴合，适合头型略长于宽度的骑手。
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"
HJC RPHA 71 体现了旅行头盔设计的巅峰，将流畅的风格与先进的工程技术完美结合。其空气动力学外形能够轻松切开风阻，而 360° 后部通风 (RRV) 系统确保在长途骑行过程中获得最佳的气流和温度调节。PIM Evo 外壳提供无与伦比的抗冲击性和轻量化耐用性，以令人安心的保护力守护骑手的头部。吸湿排汗内衬和可调节衬垫保证了舒适的贴合感，而先进的通风系统确保骑手的视野清晰无阻。凭借 DOT 和 ECE 22.06 认证，HJC RPHA 71 为安全和性能树立了新标准。无论是在蜿蜒的山路上穿梭，还是在高速公路上巡航，这款头盔都是讲究骑手的终极伴侣。
HJC RPHA 71 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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价格历史与趋势
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Product Concept & Specifications
HJC (South Korea)Engineering & Biomechanical Safety Analysis
HJC RPHA 71 采用 PIM Evo 外壳，提供轻量化耐用性和卓越的抗冲击性，具备先进的安全性能。吸湿排汗内衬和可调节衬垫提升了舒适度，而先进的通风系统通过多个进气和排气口确保最佳气流，在长途骑行中实现温度调节。
The HJC RPHA 71 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
中等椭圆形贴合，适合头型略长于宽度的骑手。
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 |
|---|---|---|---|
| Matte Black / | — |
HJC-RPHA-BLK | instock |
| Silver Metallic / | — |
HJC-RPHA-GRE | instock |
| Pearl White / | — |
HJC-RPHA-WHI | instock |
| Camo TC-5 / | — |
HJC-RPHA-CAM | instock |
| Stripe Blue / | — |
HJC-RPHA-STR | instock |
| Course Blue / | — |
HJC-RPHA-COU | instock |
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 HJC RPHA 71
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.