HJC i71
DOT, ECE 22.06
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Product Concept & Specifications
HJC (South Korea)Design Concept & Background
HJC i71 | Type: Full Face | Brand: HJC
Rider Profile & Intended Use
Engineering & Technical Analysis
The HJC i71 represents a significant leap in lightweight helmet engineering by utilizing an advanced carbon fiber composite shell. This material choice drastically reduces overall mass compared to traditional fiberglass or polycarbonate constructions without compromising structural integrity, resulting in a weight of approximately 1380 grams for a medium size. The internal structure features a multi-density EPS liner designed to absorb impact energy efficiently across various collision vectors while maintaining a consistent fit profile.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Quiet Index: Superior sound damping and isolated ear cavity structures. High flow channels optimize high-velocity dynamic ventilation.
Technology & Convenience
Where to buy
Price History
Interactive Size & Fit Finder
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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