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HJC · RPHA 1N

HJC RPHA 1N Quartararo Replica

SPÉCIFICATION TECHNIQUE VÉRIFIÉE Track/Race ECE 22.06, FIM, DOT PIM+ 1500g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Track/Race
Certifications ECE 22.06, FIM, DOT
Measured Weight 1500 g
Shell Material PIM+
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, FIM, DOT
Rotational Protection MIPS
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.

Forme de tête Intermediate Oval, convient aux têtes de forme ovale moyenne à longue.

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 1N helmet embodies the perfect blend of sleek styling and advanced engineering, delivering unparalleled performance and protection on the track. Its aerodynamic design slices through the air with ease, reducing wind resistance and drag while maintaining a stable and secure fit. The ventilation system is meticulously crafted to provide optimal airflow, keeping the rider cool and focused during even the most intense rides. With its sleek, streamlined appearance, the RPHA 1N helmet is not only a formidable competitor on the track but also a stylish statement piece. Its advanced engineering and cutting-edge features make it the ultimate choice for riders who demand the best. Whether you're pushing the limits of speed or simply enjoying a spirited ride, the HJC RPHA 1N helmet has got you covered.

Key Highlights:

Coque PIM+ MIPS (Multi-directional Impact Protection System) Système de ventilation respirant Carnets de joue réglables Forme de tête Intermediate Oval Design aérodynamique Flux d'air optimal Compatible Pinlock MaxVision

Rider Profile & Intended Use

Riding Style Racing
Helmet Category Track/Race
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Où acheter

Revendeur Prix Availability
Amazon (US) Voir le prix en temps réel Voir sur le site Voir le prix →

Historique et tendances des prix

ℹ️ Helmetsan est un moteur indépendant de sécurité et d’aide à la décision pour les motos. Lorsque vous consultez des prix ou achetez via des liens de revendeurs, Helmetsan peut percevoir une commission d’affiliation, sans frais supplémentaires pour vous.

Product Concept & Specifications

HJC (South Korea)

Engineering & Biomechanical Safety Analysis

Le HJC RPHA 1N Quartararo Replica est doté d'une coque en PIM+ 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 avec canaux de flux d'air réglables optimisent le refroidissement. Conçu pour une utilisation sur circuit ou en compétition, il intègre une mousse EPS multi-densité pour une sécurité accrue et un intérieur évacuant l'humidité pour un confort prolongé.

The HJC RPHA 1N Quartararo Replica is engineered as a high-integrity Track/Race protective system, utilizing a structural shell constructed from PIM+. 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, FIM, 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+ Matériau structurel extérieur
Measured Weight 1500 g (3.31) Poids approximatif en taille moyenne
Warranty 1 an Durée de la couverture du fabricant
Cas d’utilisation principal Racing Orientation de conduite optimisée

Safety & Certifications

Certification ECE 22.06, FIM, DOT Norme de sécurité certifiée
Rotational Protection MIPS 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 84 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 DOT FMVSS 218 standards for street use and FIM/ECE 22.06 for track use.

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets DOT FMVSS 218 standards for street use and FIM/ECE 22.06 for track use.

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference
  • FIM (EU) - Fu00e9du00e9ration Internationale de Motocyclisme - Reference
  • DOT (US) - National Highway Traffic Safety Administration - 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, FIM, DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-10