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HJC

HJC C17 Carbon Fiber Helmet

DOT, ECE 22.06

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Product Concept & Specifications

HJC (South Korea)

Design Concept & Background

Experience the pinnacle of lightweight protection with the HJC C17, engineered for riders who demand uncompromising performance on the track and street. Crafted from premium carbon fiber, this helmet offers an exceptional strength-to-weight ratio, reducing neck fatigue during long rides while delivering top-tier safety ratings.

Rider Profile & Intended Use

Helmet Category Full Face
Internal Fit Shape Intermediate Oval

Engineering & Technical Analysis

The HJC C17 utilizes a proprietary carbon fiber composite construction that significantly reduces overall mass without compromising structural integrity. The shell features a multi-density EPS liner designed to absorb impact energy across varying force vectors, meeting the rigorous standards of both DOT and ECE 22.06 certifications. Internal comfort is enhanced by a moisture-wicking, removable washable liner system that maintains hygiene while providing a custom fit through adjustable cheek pads.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

[MATR.SHEL] Shell Construction Carbon Fiber Composite Shell with EPS Liner Outer structural material
[PHYS.MASS] Measured Weight 1280g (2.82) Approximate medium size weight
[COVG.YEAR] Warranty 5 Manufacturer coverage duration
[OPER.ROLE] Primary Use Case All-round Sport Optimized riding orientation

Safety & Certifications

[SYS.CERT] Homologation DOT, ECE 22.06 Certified safety standard
[SYS.PROT] Rotational Protection Standard EPS Mitigates rotational impact
[SYS.EQRS] Emergency Release Not Equipped Cheek pad quick removal
[SYS.LOCK] Retention Strap Quick Release Buckle Chin strap buckle style

Acoustics & Aerodynamics

82 dB
Acoustics
9 /10
Ventilation

Quiet Index: Superior sound damping and isolated ear cavity structures. High flow channels optimize high-velocity dynamic ventilation.

[AERO.TEST] Wind Tunnel Tested No Optimized shell aerodynamics
[VISR.FOG] Pinlock Tech Not Included Anti-fog shield insertion

Technology & Convenience

[SYS.COMM] Comms Integration N/A Intercom cutout availability
[FIT.GLASS] Glasses Friendly No Inner lining eyewear grooves
[VISR.SYS] Visor Shield Tech Single Visor Integrated drop-down sun visor
[FIT.LINR] Removable Interior Partial / Fixed Washable lining modules
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Interactive Size & Fit Finder

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.

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.

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