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Helmet shape is Intermediate Oval

Shape: Intermediate Oval

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HJC C91 Nepos Helmet

The HJC C91 modular helmet is a straight to the point helmet, the point being lightweight, super comfortable, affordable, safe, and easy to use. The modular design had gloved hands in mind with an easy to operate chin bar, drop-down sun visor, and faceshield for seamless functionality. The C91 also comes Smart HJC ready (Bluetooth sold separately) with speaker pockets for an easy install that won't rub your ears wrong. DOT approved, wrapped in an advanced polycarbonate composite shell, SuperCool Interior with a glasses groove, the C91 is a 1-2 punch that won't rub your wallet wrong, either.

Features:

  • Advanced Polycarbonate Composite Shell designed using advanced CAD technology
  • Advanced Channeling Ventilation System (ACS) with adjustable forehead and chin vents and two rear exhaust vents
  • Plush, Nylex SuperCool interior with removable/washable interior cheek pads and liner
  • HJ-17 face shield provides 95% UV protection and anti-scratch coating
  • Face shield is Pinlock-ready (Pinlock lens sold separately)
  • RapidFire Shield Replacement System provides ultra-quick, tool-less removal and installation for efficient operation
  • 2-stage shield closure system with shield locking system for a secure seal
  • Integrated HJ-V5 internal sun visor
  • Ready for SMART HJC Bluetooth System (sold separately)
  • Built-in communication speaker pockets
  • Optional breath guard & chin curtain
  • DOT approved
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HJC C91 Helmet Sizing

Size Head (cm)
XS 54-55
SM 55-56
MD 57-58
LG 58-59
XL 60-61
2XL 62-63
3XL 64-65
4XL 66-67
5XL 68-69

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • H Head
    Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
Product Description
Part Numbers
Sizing & Fit
204 Customer Reviews
204 4/5
50 Questions & 19 Answers
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Modular Helmet Overview and Sizing Guide

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