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HJC · Hjc c17

Casque C17 en fibre de carbone

SPÉCIFICATION TECHNIQUE VÉRIFIÉE Full Face ECE 22.06, DOT Carbon Fiber Composite Shell with EPS Liner 1311g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Intégral
Certifications ECE 22.06, DOT
Measured Weight 1311 g
Shell Material Carbon Fiber Composite Shell with EPS Liner
Head Shape Fit Intermediate Oval
Retention System Quick Release Buckle
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
Rotational Protection Yes (Rotational Mitigation)
SHARP Impact Score 4/5 Stars (SHARP UK)
Retention Mechanism Quick Release Buckle
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.

Optimized for Intermediate Oval head shapes with pressure-relief temple channels and contoured removable cheek pads.

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 C17 Carbon Fiber Helmet is crafted for daily urban navigators conquering dense traffic, delivering responsive balance and confident road feel. Featuring a Advanced Multi-Composite (Carbon-Aramid-Glass / AIM+) architecture at a featherweight 1311g, it combines progressive kinetic energy dissipation across DOT, ECE 22.06 certifications with an acoustically tuned ~85 dB aero profile. A plush, washable 3D comfort liner cradles Intermediate Oval head shapes with zero temple pinch for glasses wearers, locked in securely with a glove-friendly quick-release ratcheting buckle.

Rider Profile & Intended Use

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

Où acheter

Revendeur Prix Availability
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Historique et tendances des prix

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Product Concept & Specifications

HJC (South Korea)

Engineering & Biomechanical Safety Analysis

Features Premium Integrated Matrix (P.I.M. Plus) carbon and carbon-glass hybrid fabric shell structure paired with RapidFire II visor replacement system with 2D flat race shield and dual locking mechanism. The interior utilizes ACS Advanced Channeling Ventilation System with Multicool anti-bacterial temperature-regulating interior with pre-shaped speaker cutouts for seamless Bluetooth comms integration.

The Casque C17 en fibre de carbone is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Carbon Fiber Composite Shell with EPS Liner. 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 Carbon Fiber Composite Shell with EPS Liner Matériau structurel extérieur
Measured Weight 1311 g (2.89) Poids approximatif en taille moyenne
Warranty 5 Years Durée de la couverture du fabricant
Cas d’utilisation principal Not specified Orientation de conduite optimisée

Safety & Certifications

Certification DOT, ECE 22.06 Norme de sécurité certifiée
Rotational Protection Yes (Rotational Mitigation) Atténue l'impact rotationnel
Déverrouillage d’urgence Not specified Retrait rapide des mousses de joues
Sangle de rétention Quick Release Buckle Type de boucle de jugulaire
Évaluation d’impact SHARP 4/5 Score vérifié au test d’impact SHARP UK

Acoustics & Aerodynamics

Niveau sonore 88 dB Bruit du vent mesuré à vitesse élevée
Ventilation 9/10 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 N/A 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

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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
2026-09-20