Clear HJ-V10 Sunshield and breath deflector included in the box
Advanced Polycarbonate Compound Shell (APC)
Advanced Channeling Ventilation System (ACS)
Ventilation System Two top vents and mouth vents integrated
Easily detachable mask using Push & Slide mechanism
Anti-bacterial fabric interior provides enhanced moisture wicking and quick drying function
Removable and washable crown and cheek pads
Ready for Smart HJC 20B Bluetooth (sold separately)

HJC Helmet Size Chart

i20N

	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	243/8 – 243/4	73/4– 77/8

HJC Helmet Size Chart

i20N Interior

	Size (cm)	Cheek Pads (cm)	Liner (cm)
XS	54 – 55	40	15
S	55 – 56	30	9
M	57 – 58	35	12
L	58 – 59	25	9
XL	60 Add a Review Your email address will not be published. Required fields are marked * Your review * Name * Email * Related Products Sale Gemplers Chemical Resistant 15-mil Unlined Nitrile Gloves \| 12 Pairs $22.40 $28.00 Sale Lionfish Blue Mirror Performance Fog Technology Polarized Safety Glasses \| Shiny Black Frame $35.99 $44.99 Sale DuPont Tychem 6000 Tape $39.99 $49.99 Sale Gemplers 4-mil Disposable Nitrile Gloves \| Bucket of 1000 Gloves $40.00 $79.99 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

Shopping Cart

Menu

HJC i20N Thorn Helmet

HJC i20N Thorn Helmet

Description

Reviews (0)

HJC Helmet Size Chart

i20N

HJC Helmet Size Chart

i20N Interior

Related Products

Gemplers Chemical Resistant 15-mil Unlined Nitrile Gloves | 12 Pairs

Lionfish Blue Mirror Performance Fog Technology Polarized Safety Glasses | Shiny Black Frame

DuPont Tychem 6000 Tape

Gemplers 4-mil Disposable Nitrile Gloves | Bucket of 1000 Gloves