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HJC

HJC C91 Jyn

HJC C91 Jyn

SKU:0847-1501-03

Regular price $229.99
Regular price Sale price $229.99
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HJC C91 Jyn

The HJC C91 Jyn is a modular helmet built around a lightweight shell design with advanced airflow for everyday comfort. It features an integrated sun shield and is Bluetooth ready, making it a versatile choice for riders who want convenient functionality in a clean, modern package.

Designed with rider comfort in mind, the C91 Jyn includes a moisture-wicking interior and practical details that support all-day use, from quick shield changes to eyewear-friendly fit.

Key Features

  • Modular helmet design
  • Lightweight shell construction
  • "ACS" Advanced Channeling Ventilation System with 1 top vent and 1 lower vent
  • Full front-to-back airflow to help flush heat and humidity up and out
  • Integrated sun visor with anti-scratch treatment
  • HJ-17 shield is Pinlock-ready and provides 95% UV protection
  • RapidFire™ shield replacement system for quick, tool-less shield changes
  • SuperCool interior with enhanced moisture-wicking performance
  • Crown and cheek pads are removable and washable
  • Cheek pads are interchangeable throughout all shell sizes
  • Micro buckle retention system
  • Glasses grooves to accommodate eyeglasses and sunglasses
  • Speaker pockets for Bluetooth communication
  • Includes nose guard and chin curtain

For commuting and longer rides alike, the C91 Jyn balances ventilation, convenience, and comfort-focused features—ideal for riders who want an integrated sun shield and communication-ready design without added complexity.

Available Options

  • Colors: Jyn MC-1, Jyn MC-3HSF, Jyn MC-5, Jyn MC-8
  • Sizes: X-Small, Small, Medium, Large, X-Large, XX-Large, 3X-Large, 4X-Large, 5X-Large

Resources

An owner’s manual is available for the HJC C91 Jyn and may include helpful information on setup, sizing, care, and helmet features.

A size chart is also available as a sizing reference.

Shop All American KTM for HJC helmets and riding gear, with fast nationwide service for riders across the U.S.

HJC C91 Jyn Owner’s Manual & Product Guide

View or download the official product manual for the HJC C91 Jyn. This guide may include important information about helmet features, fitment, care, use, safety details, replacement parts, and product-specific instructions.

✔ Download HJC C91 Jyn Manual
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⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more.