HJC · HJC RPHA
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.
出厂时略显紧凑，但在行驶 50 英里内会逐渐变松。内衬设计兼容眼镜佩戴。
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 代表了运动旅行性能的巅峰，将流畅且极具侵略性的设计与赛道级工程技术完美融合。该头盔采用专利的 Premium Integrated Matrix Plus (PIM+) 外壳——由碳纤维、芳纶纤维和玻璃纤维精密编织而成——在保持轻量化轮廓的同时，提供卓越的抗冲击性能。其空气动力学外形经过精心雕琢，旨在最大限度减少阻力与风噪，确保高速行驶时的稳定性，并减轻长途骑行的疲劳感。 专为现代骑手设计，RPHA 71 配备先进的通道式通风系统，可优化气流，通过后部排气口排出热量和湿度，保持内部凉爽且气候适宜。其视野系统同样精益求精，采用支持 Pinlock MaxVision 的遮阳镜以及 Rapid-Fire II 棘轮机构，可实现快速免工具更换。采用中等椭圆形内衬设计，内部空间兼容眼镜，并配备紧急快速拆卸颊垫以增加安全性。RPHA 71 符合 DOT、ECE 22.06 和 Snell M2020 标准，是防护领域的杰作，为追求顶级装备性能的爱好者提供无可妥协的清晰度、舒适度和结构完整性。
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 Full Face 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
The HJC RPHA 71 is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from PIM+ (Carbon, Aramid, Fiberglass). 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, 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
Snell and DOT dual certified.
ECE 22.06 homologated.
HJC India officially distributes this model.
Regional Legality Guidance
Interactive Size & Fit Finder
出厂时略显紧凑，但在行驶 50 英里内会逐渐变松。内衬设计兼容眼镜佩戴。
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 |
|---|---|---|---|
| Solid Matte Black / MD | — |
HJC-RPHA71-MBK-MD | in_stock |
| Carbon Carbon Black / MD | — |
HJC-RPHA71C-CBN-MD | in_stock |
Geo Pricing & Availability
| Country | Price | Availability | Source | Updated |
|---|---|---|---|---|
| US | 449.99 USD | in_stock | authorized_distributor | 2026-02-20 |
| EU | 419.9 EUR | in_stock | authorized_distributor | 2026-02-20 |
| IN | 42999 INR | in_stock | official_importer | 2026-02-20 |
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Compatible Motorcycles for the HJC RPHA 71
Optimized for aggressive street carving, neutral forward-leaning stances, and high-efficiency brow airflow.
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.