Global Helmet Intelligence Platform

HJC

Rpha71 Matte Black Md

GEVERIFIEERDE TECHNISCHE SPECIFICATIE Full Face ECE 22.06, DOT, Snell M2020 PIM+ (Carbon, Aramid, Fiberglass) 1550g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Integraal
Certifications ECE 22.06, DOT, 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 ✓ ECE 22.06, DOT, 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 sport-touring, combinando un estilo elegante y agresivo con ingeniería derivada de la competición. Fabricado con la carcasa patentada 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, extrayendo 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, comodidad e integridad estructural sin concesiones para los entusiastas que exigen el nivel más alto de rendimiento en su equipo.

Key Highlights:

Premium Integrated Matrix Plus (PIM+) schaal Multi-density EPS voering Geavanceerde ventilatie met kanalen Rapid-Fire II vizier ratelsysteem Noodrelease systeem Bluetooth speaker zakken Kroon- en wangpads wasbaar en verwijderbaar Pinlock MaxVision voorbereid Anti-condens adembeschermer

Rider Profile & Intended Use

Helmet Category Integraal
Internal Fit Shape Intermediate Oval
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Product Concept & Specifications

HJC (South Korea)

Engineering & Biomechanical Safety Analysis

The Rpha71 Matte Black Md 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 ECE 22.06, 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 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.

Schaalconstructie PIM+ (Carbon, Aramid, Fiberglass) Extern constructiemateriaal
Measured Weight 1550 g (3.42) Geschat gewicht bij maat M
Warranty Not specified Dekkingsduur van de fabrikant
Primair gebruik Not specified Geoptimaliseerde rijoriëntatie

Safety & Certifications

Certificering ECE 22.06, DOT, Snell M2020 Gecertificeerde veiligheidsnorm
Rotational Protection Not specified Vermindert rotatie-impact
Noodontgrendeling Not specified Snelle verwijdering van wangkussens
Retentieband Not verified Type sluiting van de kinband

Acoustics & Aerodynamics

Geluidsniveau Niet getest Gemeten windgeruis bij snelheid
Ventilatie Niet getest Beoordeling van de luchtstroomprestaties
In de windtunnel getest Not specified Geoptimaliseerde aerodynamica van de buitenschaal
Pinlock anticondens Niet inbegrepen Anticondens-inzetstuk voor vizier

Technology & Convenience

Integratie van communicatiesystemen N/A Beschikbaarheid van uitsparing voor intercom
Geschikt voor brildragers Not specified Brillengleuven in de binnenvoering
Viziersysteem Not verified Geïntegreerd neerklapbaar zonnevizier
Uitneembare binnenvoering Not verified Wasbare voeringmodules

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
ECE 22.06, DOT, Snell M2020 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-29