HJC C91 Nepos Helmet

Name: HJC C91 Nepos Helmet
Brand: HJC
SKU: 0100-2521
Price: 203.0 USD
Availability: InStock

$203.00

Availability:

Color

Black/Hi-Viz Yellow Grey/Black

Size

HJC Helmets Size Chart

Helmet Size Convention Chart
Size	Centimeters	Hat Size	Inches
XS	53 - 54	6 5/8 - 6 3/4	20 7/8 - 21 1/4
S	55 - 56	6 7/8 - 7	21 5/8 - 22
M	57 - 58	7 1/8 - 7 1/4	22 1/2 - 22 7/8
L	59 - 60	7 3/8 - 7 1/2	23 1/4 - 23 5/8
XL	61 - 62	7 5/8 - 7 3/4	24 - 24 3/8
2XL	63 - 64	7 7/8 - 8	24 3/4 - 25 1/4
3XL	65 - 66	8 1/8 - 8 1/4	25 3/8 - 26
4XL	67 - 68	8 3/8 - 8 1/2	26 3/8 - 26 3/4
5XL	69 - 70	8 3/4	27 1/4 - 27 5/8

RPHA Series, i20, i30, i71, i90, i100, C10, C91, FG-17, FG-JET, CS-R3, IS-5, F71, V10, V31
Size	Centimeters	Hat Size	Inches
XS	54 - 55	6 3/4 - 6 7/8	21 1/4 - 21 5/8
S	55 - 56	6 7/8 - 7	21 5/8 - 22
M	57 - 58	7 1/8 - 7 1/4	22 1/2 - 22 7/8
L	58 - 59	7 1/4 - 7 3/8	22 7/8 - 23 1/4
XL	60 - 61	7 1/2 - 7 5/8	23 5/8 - 24
2XL	62 - 63	7 3/4 - 7 7/8	24 3/8 - 24 3/4
3XL	64 - 65	8 - 8 1/8	25 1/4 - 25 5/8

CL-17
Size	Centimeters	Hat Size	Inches
XS	54 - 55	6 3/4 - 6 7/8	21 1/4 - 21 5/8
S	55 - 56	7 - 7 1/8	22 - 22 1/2
M	57 - 58	7 1/4 - 7 3/8	22 7/8 - 23 1/4
L	59 - 60	7 1/2 - 7 5/8	23 5/8 - 24
XL	61 - 62	7 3/4 - 7 7/8	24 3/8 - 24 3/4
2XL	63 - 64	8 - 8 1/8	25 1/4 - 25 5/8
3XL	65 - 66	8 1/8 - 8 1/4	25 5/8 - 26
4XL	67 - 68	8 3/8 - 8 1/2	26 3/8 - 26 3/4
5XL	69 - 70	8 3/4	27 1/4 - 27 5/8

Youth Helmet Size Chart
Size	Centimeters	Hat Size	Inches
S	49 - 50	6 1/8 - 6 1/4	19 1/4 - 19 3/4
M	51 - 52	6 3/8 - 6 1/2	20 - 20 1/2
L	53 - 54	6 5/8 - 6 3/4	20 7/8 - 21 1/4
XL	55 - 56	6 7/8 - 7	21 5/8 - 22

Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.

Quantity

Free Standard Shipping
& 30 Days Return

HJC C91 Nepos Helmet

The HJC C91 Nepos packs premium touring comfort into a budget-friendly modular. Its lightweight Advanced Polycarbonate Composite Shell delivers a secure, comfortable fit, while the single-lever chin bar is easy to operate—even with gloves on. An internal sun visor slides smoothly into place when needed, and the large top vent works with deep EPS channels to keep airflow moving on warm rides. Inside, the SuperCool liner and cheek pads pull moisture away and stay fresh thanks to antibacterial fabric. Built-in speaker pockets and Smart HJC Bluetooth compatibility make it ready for long-haul connectivity.

Features:

Lightweight Advanced Polycarbonate Composite Shell with adjustable chin bar for a custom fit
Advanced Channeling Ventilation System for full front-to-back airflow
Pinlock-ready HJ-17 shield with 99% UV protection
RapidFire™ tool-free shield replacement
Integrated drop-down sun visor with anti-scratch coating
Removable, washable crown and cheek pads with antibacterial moisture-wicking fabric
Glasses-friendly fit with dedicated grooves
Speaker pockets for Bluetooth comms
Ready for SMART HJC Bluetooth systems (sold separately)
DOT approved

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