Features

Advanced Polycarbonate Composite Shell With adjustable chinbar; lightweight, superior fit and comfort using advanced CAD technology
Advanced Channeling Ventilation System (ACS) Full front to back airflow flushes heat and humidity up and out
Pinlock Prepared HJ-17 Shield Provides 99% UV protection
RapidFire Shield Replacement System Simple and Secure shield ratchet system provides ultra-quick, tool-less shield replacement
Interior Parts Moisture-wicking and dry
Integrated Sun Visor Black dark smoke sun visor deploys quickly and easily; anti-scratch coated and with user friendly sliding system
Crown and Cheek Pads Removable and washable
Glasses Grooves Accommodates riders who wear eyeglasses and sunglasses
Cheek Pads Interchangeable throughout all shell sizes
Ready for SMART HJC Bluetooth (Bluetooth sold separately).
Speaker Pockets For Bluetooth communication

HJC Helmet Size Chart

C91 / C91 Snow

	Centimeters	Inches	Hat Size
XS	54 – 55	211/4 – 215/8	63/4– 67/8
S	55 – 56	215/8 – 22	67/8– 7
M	57 – 58	221/4 – 227/8	71/8– 71/4
L	58 – 59	231/4 – 235/8	71/4– 73/8
XL	60 – 61	235/8 – 24	71/2– 75/8
2XL	62 – 63	24 Add a Review Your email address will not be published. Required fields are marked * Your review * Name * Email * Related Products Sale Howard Leight QM24PLUS Earmuffs $11.99 $14.99 Sale Howard Leight SmartFit Corded Earplugs \| 100 Pairs $78.00 $155.99 Sale Gemplers 8-mil Disposable Nitrile Gloves \| Bucket of 500 gloves $44.25 $88.49 Sale Sawfish Gold Mirror Performance Fog Technology Polarized Safety Glasses \| Tortoise/Black Frame $39.99 $49.99 PistonBayCo is your trusted online shop for engine pistons and rebuild parts built for american engine builders \| we stock forged pistons cast pistons and piston kits so every build makes the power you want \| connecting rods bearings and gaskets cover street daily and track engines from stock to wild \| timing kits head bolts and fasteners keep your teardown moving without a second parts run \| exact fit pistons for cars trucks suvs and muscle cars drop in with the right clearances \| our ring gap guides explain which bore stroke and compression fit your block and goals \| free shipping on orders over 40 dollars anywhere in the united states keeps your bench stocked \| real customer builds show engines powered by PistonBayCo from commuters to race cars \| PistonBayCo delivers the internals that keep america building horsepower at home \| shop now and see why builders call us the best engine parts store for value quality and fast delivery Information Privacy Policy Shipping Policy Terms and Conditions Customer Service Returns & Refunds My Account All products Contact Us Address: 10301 Avalon Blvd, Los Angeles, California, 90003, United States (US) Shop Hours : 6:00 - 22:00 Email : [email protected] Join Our Newsletter Experience alluring updates and exclusive offers with our newsletter. Copyright © 2026. All rights reserved. 2026. www.pistonbayco.com

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HJC C91 JYN Helmet

HJC C91 JYN Helmet

Description

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Features

HJC Helmet Size Chart

C91 / C91 Snow

Related Products

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