Global Helmet Intelligence Platform

HJC · RPHA 71

HJC RPHA 71 Silver Metallic

SPÉCIFICATION TECHNIQUE VÉRIFIÉE Touring ECE 22.06, DOT PIM Evo 1600g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Tourisme
Certifications ECE 22.06, DOT
Measured Weight 1600 g
Shell Material PIM Evo
Head Shape Fit Intermediate Oval
Retention System Double D-Ring
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
Rotational Protection Integrated shell design
SHARP Impact Score Not tested by SHARP
Retention Mechanism Double D-Ring
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.

Ajustement Intermediate Oval, convient aux pilotes ayant une forme de tête légèrement plus longue que large.

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"

The HJC RPHA 71 embodies the pinnacle of touring helmet design, where sleek styling meets advanced engineering. Its aerodynamic shape slices through the wind with ease, while the 360° Rear Ventilation (RRV) system ensures optimal airflow and temperature regulation during long rides. The PIM Evo shell provides unparalleled impact resistance and lightweight durability, safeguarding the rider's head with confidence-inspiring protection. A moisture-wicking interior and adjustable padding guarantee a comfortable fit, while the advanced ventilation system keeps the rider's vision unobstructed and clear. With its DOT and ECE 22.06 certification, the HJC RPHA 71 sets a new standard for safety and performance. Whether navigating twisty roads or cruising down the highway, this helmet is the ultimate companion for the discerning rider.

Key Highlights:

Construction de coque PIM Evo Système de ventilation arrière 360° (RRV) Certifié ECE 22.06 et DOT Doublure intérieure évacuant l'humidité Forme de tête Intermediate Oval Design de coque aérodynamique Rembourrage intérieur réglable

Rider Profile & Intended Use

Riding Style Tourisme
Helmet Category Tourisme
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Où acheter

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Historique et tendances des prix

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Product Concept & Specifications

HJC (South Korea)

Engineering & Biomechanical Safety Analysis

Le HJC RPHA 71 Silver Metallic est doté d'une coque PIM Evo avancée pour une résistance aux impacts supérieure et une durabilité légère. Sa forme de tête Intermediate Oval garantit un ajustement confortable et sécurisé, tandis que les systèmes de ventilation sophistiqués assurent un excellent flux d'air pour garder le pilote au frais. Le casque intègre une doublure EPS multicouche pour une sécurité accrue et comprend un rembourrage intérieur évacuant l'humidité pour un confort prolongé. Idéal pour le touring, il équilibre protection, ventilation et portabilité tout au long de la journée.

The HJC RPHA 71 Silver Metallic 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 ECE 22.06, DOT 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.

Construction de la coque PIM Evo Matériau structurel extérieur
Measured Weight 1600 g (3.53) Poids approximatif en taille moyenne
Warranty 1 an Durée de la couverture du fabricant
Cas d’utilisation principal Tourisme Orientation de conduite optimisée

Safety & Certifications

Certification ECE 22.06, DOT Norme de sécurité certifiée
Rotational Protection Integrated shell design Atténue l'impact rotationnel
Déverrouillage d’urgence Not specified Retrait rapide des mousses de joues
Sangle de rétention Double D-Ring Type de boucle de jugulaire

Acoustics & Aerodynamics

Niveau sonore 82 dB Bruit du vent mesuré à vitesse élevée
Ventilation 8/10 Évaluation des performances de ventilation
Testé en soufflerie Not specified Aérodynamisme optimisé de la calotte
Pinlock antibuée Non inclus Insert antibuée pour visière

Technology & Convenience

Intégration des communications Generic Speaker Cutouts Disponibilité d’une découpe pour intercom
Compatible avec les lunettes Not specified Rainures pour lunettes dans la doublure intérieure
Système de visière Not verified Écran solaire intégré escamotable
Intérieur amovible Not verified Modules de doublure lavables

Regional Legality & Compliance

🇺🇸 US Street Legal
Required: DOT

Meets Federal Motor Vehicle Safety Standard 218.

🌐 CA Street Legal
Required: DOT, ECE 22.06

Compliant with regional safety standards for road use.

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets Federal Motor Vehicle Safety Standard 218.

CA

Status: Street Legal

Required: DOT, ECE 22.06

Compliant with regional safety standards for road use.

Certification Documents & References

  • DOT (US) - Department of Transportation - Reference
  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • Snell M2015 (US) - Snell Memorial Foundation - Reference
  • JIS T 8133:2015 (JP) - Japanese Industrial Standard - Reference

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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 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-10