Global Helmet Intelligence Platform

HJC · C91

HJC C91

About the HJC C91

HJC C91 半盔(带面罩)

Intermediate Oval C91 Family Polycarbonate 1 year warranty

Technical Analysis

Technical profile summary for the HJC C91 based on verified manufacturer specifications:

  • Shell Construction: Polycarbonate
  • Measured Weight: 1050g
  • Interior Fit (Head Shape): Intermediate Oval
  • Retention Strap Type: Double D-Ring
  • Warranty Coverage: 1

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Safety & Aero-Acoustics HUD

Awaiting SHARP Audit

SHARP impact test results pending.

Aero-Acoustics N/A

Aero-acoustic profile pending track testing.

Ventilation Flow N/A

Ventilation flow score awaiting CFD test.

Double D-Ring 🔊 Comms Ready

Visor Features

Pinlock Ready Optically Correct
Real-time price tracking active across international retailers. Good Buy

Where to buy

Marketplace Price Availability Updated
Amazon (US) Store Profile
$119.99 ● In Stock 1 second ago Buy Now →

Certified HJC Stores in US

Price History

Part numbers

Product style MFR. product # SKU Availability
Black / HJC-C91-BLK instock
Silver / HJC-C91-SLV instock

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.

Intermediate oval fit, suitable for riders with an oval-shaped head.

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.

Compare & buy

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