Global Helmet Intelligence Platform

HJC · CL-17

HJC CL-17 Track TC-2

ESPECIFICAÇÃO TÉCNICA VERIFICADA Full Face DOT, Snell M2015 Polycarbonate 1630g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Integral
Certifications DOT, Snell M2015
Measured Weight 1630 g
Shell Material Polycarbonate
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 ✓ DOT
Rotational Protection Snell M2015
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.

Intermediate Oval shape provides a snug, secure fit consistent with standard HJC sizing.

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 CL-17 full-face helmet embodies the perfect blend of style and substance, engineered to deliver unparalleled performance and protection on the road. Its sleek, aerodynamic design slices through the air with ease, reducing wind buffeting and drag while maintaining a stylish, aggressive look. Advanced engineering has gone into every detail, from the lightweight polycarbonate shell to the multi-layered EPS liner, ensuring a snug, comfortable fit that's both secure and ventilated. The CL-17 features adjustable ventilation with intake and exhaust ports, optimizing airflow to keep the rider cool in varying conditions. With its Pinlock MaxVision-ready visor, riders can enjoy unobstructed vision in all lighting conditions, from bright sunlight to low visibility. Whether carving through twisties or cruising on the highway, the HJC CL-17 is the ultimate choice for riders who demand the best in style, performance, and protection.

Key Highlights:

Calota leve em policarbonato Sistema avançado de ventilação por canais (ACS) Preparado para Pinlock MaxVision Forro interior em EPS multicamadas Interior amovível e lavável

Rider Profile & Intended Use

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

Onde comprar

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Histórico e tendências de preços

ℹ️ A Helmetsan é um motor independente de segurança e apoio à decisão para motociclos. Quando consulta preços ou compra através de ligações de retalhistas, a Helmetsan pode receber uma comissão de afiliado sem custos adicionais para si.

Product Concept & Specifications

HJC (South Korea)

Engineering & Biomechanical Safety Analysis

The HJC CL-17 Track TC-2 features a lightweight polycarbonate shell with advanced safety tech, including a reinforced structure for impact resistance. Its intermediate oval head shape ensures a snug, comfortable fit, while the multi-layered EPS liner enhances protection. The helmet offers excellent ventilation with adjustable airflow vents to keep the rider cool, and its moisture-wicking interior promotes comfort during long rides. The full-face design provides maximum coverage, and the TC-2 variant includes a track-specific visor for enhanced aerodynamics and visibility.

The HJC CL-17 Track TC-2 is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Polycarbonate. 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, Snell M2015 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.

Construção da calota Polycarbonate Material estrutural externo
Measured Weight 1630 g (3.59) Peso aproximado no tamanho médio
Warranty 1 ano Duração da cobertura do fabricante
Caso de uso principal Racing Orientação de condução otimizada

Safety & Certifications

Certificação DOT Padrão de segurança certificado
Rotational Protection Snell M2015 Atenua o impacto rotacional
Libertação de emergência Not specified Remoção rápida das almofadas das bochechas
Cinta de retenção Double D-Ring Tipo de fivela da cinta jugular

Acoustics & Aerodynamics

Nível de ruído 92 dB Ruído do vento medido em velocidade
Ventilação 8/10 Avaliação do desempenho do fluxo de ar
Testado em túnel de vento Not specified Aerodinâmica otimizada da calota
Pinlock antiembaçante Não incluído Inserto antiembaciamento para viseira

Technology & Convenience

Integração de comunicações Generic Speaker Cutouts Disponibilidade de abertura para intercomunicador
Compatível com óculos Not specified Ranhuras para óculos no forro interior
Sistema de viseira Not verified Viseira solar integrada rebatível
Forro removível Not verified Módulos de forro laváveis

Regional Legality & Compliance

🇺🇸 US Legal
Required: DOT

Meets or exceeds DOT FMVSS 218 standards.

Regional Legality Guidance

US

Status: legal

Required: DOT

Meets or exceeds DOT FMVSS 218 standards.

Certification Documents & References

  • DOT-FMVSS-218 (US) - Department of Transportation - Reference
  • Snell-M2015 (Global) - Snell Memorial Foundation - 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
DOT, Snell M2015 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-09-21