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HJC · HJC RPHA

HJC RPHA 71

技术规格已验证 Full Face DOT, ECE 22.06, Snell M2020 PIM+ (Carbon, Aramid, Fiberglass) 1550g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category 全盔
Certifications DOT, ECE 22.06, Snell M2020
Measured Weight 1550 g
Shell Material PIM+ (Carbon, Aramid, Fiberglass)
Head Shape Fit Intermediate Oval
Retention System Not verified
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ DOT, ECE 22.06, Snell M2020
Rotational Protection Not specified
SHARP Impact Score Not tested by SHARP
Retention Mechanism Not verified
Emergency Release System Not specified

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.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

Runs slightly snug out of the box but breaks in within 50 miles. Interior designed for glasses-friendly temples.

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"

El HJC RPHA 71 representa la cumbre del rendimiento en sport-touring, fusionando un estilo elegante y agresivo con ingeniería derivada de la competición. Fabricado con la exclusiva carcasa Premium Integrated Matrix Plus (PIM+) —un tejido sofisticado de carbono, aramida y fibra de vidrio— este casco ofrece una resistencia excepcional a los impactos manteniendo un perfil ligero. Su silueta aerodinámica está esculpida para minimizar la resistencia al viento y las turbulencias, garantizando la estabilidad a altas velocidades y reduciendo la fatiga en viajes de larga distancia.

Diseñado para el motociclista moderno, el RPHA 71 cuenta con un avanzado sistema de ventilación por canales que optimiza el flujo de aire, expulsando el calor y la humedad a través de los puertos de escape traseros para mantener un interior fresco y con clima controlado. El sistema de visión es igualmente refinado, utilizando un visor compatible con Pinlock MaxVision y el mecanismo de trinquete Rapid-Fire II para cambios rápidos sin herramientas. Diseñado con un ajuste ovalado intermedio, el interior es compatible con gafas e incluye almohadillas laterales de liberación rápida de emergencia para mayor seguridad. Certificado bajo las normas DOT, ECE 22.06 y Snell M2020, el RPHA 71 es una clase magistral en protección, ofreciendo claridad, confort e integridad estructural sin concesiones para los entusiastas que exigen el más alto nivel de rendimiento en su equipo.

Key Highlights:

Premium Integrated Matrix Plus(PIM+)复合材料外壳 多密度 EPS 内衬 先进的导流通风系统 Rapid-Fire II 面罩棘轮系统 紧急快拆系统 蓝牙扬声器预留空间 头顶和脸颊衬垫可拆卸清洗 兼容 Pinlock MaxVision 防雾片 防雾呼吸导流器

Rider Profile & Intended Use

Helmet Category 全盔
Internal Fit Shape Intermediate Oval
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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

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.

外壳结构 PIM+ (Carbon, Aramid, Fiberglass) 外部结构材料
Measured Weight 1550 g (3.42) 中号尺寸的大约重量
Warranty Not specified 制造商保障期限
主要用途 Not specified 优化的骑行姿态

Safety & Certifications

认证 DOT, ECE 22.06, Snell M2020 经认证的安全标准
Rotational Protection Not specified 减轻旋转冲击
紧急释放 Not specified 脸颊垫快速拆卸
固定带 Not verified 下巴带扣类型

Acoustics & Aerodynamics

噪音水平 未测试 实测高速风噪
通风 未测试 气流性能评级
风洞测试 Not specified 优化的外壳空气动力学
Pinlock 防雾 未包含 防雾镜片内衬

Technology & Convenience

通信设备集成 N/A 对讲机开孔可用性
适合佩戴眼镜 Not specified 内衬眼镜凹槽
面罩系统 Not verified 一体式下拉式遮阳镜
可拆卸内衬 Not verified 可清洗内衬模块

Regional Legality & Compliance

🇺🇸 US Legal
Required: DOT

Snell and DOT dual certified.

🇪🇺 EU Legal
Required: ECE 22.06

ECE 22.06 homologated.

🇮🇳 IN Legal
Required: ISI IS 4151

HJC India officially distributes this model.

Regional Legality Guidance

US

Status: legal

Required: DOT

Snell and DOT dual certified.

EU

Status: legal

Required: ECE 22.06

ECE 22.06 homologated.

IN

Status: legal

Required: ISI IS 4151

HJC India officially distributes this model.

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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.

Manufacturer Source
HJC Official Specification
Safety Testing Agency
DOT, ECE 22.06, Snell M2020 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-19