HJC Authorized dealer

HJC C91 Kaon

Name: HJC C91 Kaon
Brand: HJC
SKU: 0847140503
Price: 229.99 USD
Availability: InStock

SKU: 0847140503

$229.99

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Color Grey/Black/White

Size XS

Wrong size? We fix it for free.

Every helmet at Ride Depot comes with our Size Guarantee. If the size you ordered does not fit, we send you a prepaid return label and ship the size you need at no cost to you. One free exchange per order.

How it works

Try the helmet on as soon as it arrives, before you remove any tags, stickers or protective films.
Keep everything: the box, papers, labels and stickers. The helmet must come back to us in brand new condition.
If the fit is not right, email us at hello@ridedepot.com within 30 days and tell us the size you need.
We email you a free return label and your new size ships out as soon as the original is on its way back.

The helmet must be unworn beyond an indoor try on, in its original packaging with all parts, tags and stickers in place. Helmets that have been ridden in, dropped, or stripped of tags cannot be exchanged.

The HJC C91 Kaon is built for riders who want everyday versatility in a modular design.

Have a question?

You can't decide? Let us know.

Modular

Helmet Type

DOT

Certification

DOT

Certification

Why riders pick it

Advanced Polycarbonate Composite Shell
Modular chin bar with single lever operation that is easy to use with gloves
Internal sun shield with smooth manual adjustment for changing light conditions
Advanced channeling ventilation system moves air through deep EPS channels
Pinlock-ready HJ-17 shield with quick and secure RapidFire™ replacement system
SuperCool interior with moisture-wicking, antibacterial fabric
Removable and washable crown and cheek pads for easy maintenance
Speaker pockets with SMART HJC Bluetooth compatibility (sold separately)

Specs

BrandHJC

Helmet TypeModular

ShellAdvanced Polycarbonate Composite with Adjustable Chinbar

VentilationACS System, large top vent, deep EPS channels

ShieldPinlock Pin Prepared HJ-17, 99% UV protection

Shield SystemRapidFire Shield Replacement System, tool-less

Sun VisorIntegrated Black Dark Smoke, Anti-Scratch coated

LinerSuperCool moisture-wicking anti-bacterial fabric, removable/washable

CertificationDOT

CategoryHelmets

SKU0847140503

Details

The HJC C91 Kaon is built for riders who want everyday versatility in a modular design. Its Advanced Polycarbonate Composite Shell delivers lightweight protection, while the Advanced Channeling Ventilation System keeps airflow optimized. A Pinlock®-ready HJ-17 shield offers clear visibility, and the RapidFire™ system allows quick, tool-free shield changes. The drop-down sunshield enhances visibility in changing light, and the SuperCool® interior, with removable crown and cheek pads, provides all-day comfort. Smart HJC Bluetooth® ready and available in extended sizes up to 5XL, the C91 Kaon is DOT approved and road-ready.

Complete the build

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HJC 4X

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HJC C91 Kaon

$229.99

Helmet size guide

Wrap a soft tape measure around the widest part of your head, about 1 in (2.5 cm) above your eyebrows and ears. Measure twice. If you fall between sizes, choose the larger.

Size	cm	inches	Hat size
3XS (youth)	50–51	19¾–20⅛	6¼–6⅜
2XS (youth)	52–53	20½–20⅞	6½–6⅝
XS	54–55	21¼–21⅝	6¾–6⅞
S	55–56	21⅝–22	6⅞–7
M	57–58	22¼–22⅞	7⅛–7¼
L	58–59	23¼–23⅝	7¼–7⅜
XL	60–61	23⅝–24	7½–7⅝
2XL	62–63	24⅜–24¾	7¾–7⅞
3XL	64–65	25⅛–25½	8–8⅛
4XL	66–67	26–26⅜	8¼–8⅜
5XL	68–69	26¾–27⅛	8½–8⅝

Official HJC chart. Between sizes? Measure your head at its widest point and try the smaller size first.

A correct fit is firm with even pressure all around, no tight spots, and the helmet shouldn’t rotate when you shake your head. Cheek pads break in slightly with use. Available sizes vary by model, check the selector above.

HJC C91 Kaon

Have a question?

Why riders pick it

Specs

Details

Complete the build

HJC Spirit

HJC 4X

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