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With so many options on the market, one of the first steps is understanding sizing across different brands. Motorcycle helmet size charts can vary between manufacturers, making the sizing conventions confusing.
Use this guide of motorcycle helmet size charts for all popular brands like AGV, Bell, Fox, HJ, Lazer and many more as your go-to reference. In just a few minutes, you’ll know exactly what size you need for a perfect fit across various helmet models.
AGV Helmet size chart
AGV PISTA GP RR ECE 2206, AGV K6 S, AGV K3, AGV K1 S,
AGV TOURMODULAR, AGV PISTA GP RR ECE 2205, AGV PISTA GP R, AGV CORSA R, AGV K6, AGV VELOCE S
XS | 20.9-21.3 in |
S | 21.7-22.0 in |
M | 22.4-22.8 in |
L | 23.2-23.6 in |
XL | 24.0-24.4 in |
XXL | 24.8-25.2 in |
AGV K5 S, AGV K3 SV, AGV K1
XS | 20.9-21.3 in |
S | 21.7-22.0 in |
MS | 22.4 in |
ML | 22.8 in |
L | 23.2-23.6 in |
XL | 24.0-24.4 in |
XXL | 24.8-25.2 in |
AGV SPORTMODULAR
XS | S | M | L | XL | XXL | XXXL |
---|---|---|---|---|---|---|
20.9-21.3 | 21.7-22.0 | 22.4-22.8 | 22.8-23.2 | 23.6-24.0 | 24.0-24.4 | 24.8-25.2 |
AGV AX9
XXS | XS | S | MS | ML | L | XL | XXL | XXXL |
---|---|---|---|---|---|---|---|---|
20.1-20.5 | 20.9-21.3 | 21.7-22.0 | 22.4-22.8 | 22.8-23.2 | 23.2-23.6 | 24.0-24.4 | 24.8-25.2 | 25.6-26.0 |
AGV FLUID, AGV NUMO EVO ST
XS | S | M | L | XL |
---|---|---|---|---|
20.9-21.3 | 21.7-22.0 | 22.4-22.8 | 23.2-23.6 | 24.0 |
AGV AX8 EVO
XXS | XS | S | MS | L | XL | XXL | XXXL |
---|---|---|---|---|---|---|---|
20.1-20.5 | 20.9-21.3 | 21.7-22.0 | 22.4-22.8 | 23.2-23.6 | 24.0-24.4 | 24.8-25.2 | 25.6-26.0 |
AGV X3000, AGV X70
XS | S | MS | ML | L | XL | XXL |
---|---|---|---|---|---|---|
20.9-21.3 | 21.7 | 22.0 | 22.4-22.8 | 23.2 | 23.6-24.0 | 24.4-24.8 |
AGV X101
S | M | L | XL | XXL |
---|---|---|---|---|
21.7-22.0 | 22.4-22.8 | 23.2-23.6 | 24.0-24.4 | 24.8-25.2 |
Arai Helmet size chart
XS | SM | MD | LG | XL | XXL |
---|---|---|---|---|---|
53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 |
Bell Helmets size chart
MODEL(S): BROOZER, Bullitt, Custom 500, Eliminator, Mag-9, Moto-10, Moto-3, Moto-9, Moto-9 Youth, MX-9, Pit Boss, Qualifier, RS-2, Race Star, Recon, Revolver, Riot, Rogue, SRT, Scout Air, Star
XS | S | M | L | XL | XXL |
---|---|---|---|---|---|
54-55cm | 55-56cm | 57-58cm | 58-59cm | 60-61cm | 62-63cm |
21 1/4-21 5/8 inches | 21 5/8-22 inches | 22 1/2-22 3/4 inches | 22 3/4–23 1/4 inches | 23 5/8–24 inches | 24 1/2–24 3/4 inches |
Bilt Helmets size chart
Techno 2.0, Blaze, Techno 2.0 Sena Bluetooth, Explorer Air Adventure, Fusion, Techno 2.0 Adventure, Roadster
XS | 53-54 cm | 20.9-21.3 in |
S | 55-56 cm | 21.7-22 in |
M | 57-58 cm | 22.4-22.8 in |
L | 59-60 cm | 23.2-23.6 in |
XL | 61-62 cm | 24-24.4 in |
XXL | 63-64 cm | 24.8-25.2 in |
Biltwell Helmet size chart
Lane Splitter, Gringo, Gringo S, Gringo SV, Bonanza
XS | S | M | L | XL | XXL |
---|---|---|---|---|---|
53-54.25 cm | 54.5-55.75 cm | 56-57.25 cm | 57.5-58.75 cm | 59-60,25 cm | 60,5-61,75 cm |
20⅞-21⅜ inches | 21½-22 inches | 22⅛-22⅝ inches | 22¾-23¼ inches | 23⅜-23⅞ inches | 24 – 24½ inches |
6D Helmets size chart
ATR-1, ATR-2,
XS | 53-54 cm | 20 7/8 – 21 1/4 in |
S | 55-56 cm | 21 5/8 – 22 in |
M | 57-58 cm | 22 1/2 – 22 3/4 in |
L | 58-59 cm | 22 3/4 – 23 1/4 in |
XL | 60-61 cm | 23 5/8 – 24 in |
XXL | 62-63 cm | 24 7/16 – 24 1/4 in |
ATR-2Y Youth
Youth S | 49-50 cm | 19 1/4 – 19 5/8 in |
Youth M | 50-51 cm | 19 5/8 – 20 in |
Youth L | 51-52 cm | 20 – 20 1/2 in |
Youth XL | 52-53 cm | 20 1/2 – 20 7/8 in |
Fox Helmets size chart
V1, V2, V3 (V3 only available in S-XL)
XS | 53-54 cm | 20.9-21.3 in |
S | 55-56 cm | 21.6-22 in |
M | 57-58 cm | 22.5-22.9 in |
L | 59-60 cm | 23.3-23.6 in |
XL | 61-62 cm | 24-24.4 in |
XXL | 63-64 cm | 24.8-25.1 in |
HJC Helmets size chart
RPHA SERIES, FG-JET, i20, i30, i71, i90, i100, C10, C80, C91, V10, V31, V60, V90
The C10 is only in 3XS (youth size) available, the RPHA 1, RPHA 11 and C10 only in 2XS.
3XS | 50-51 cm | 19 3/4 – 20 1/8 in |
2XS | 51-52 cm | 20 – 20 1/2 in |
XS | 53-54 cm | 20 7/8 – 21 1/4 in |
S | 55-56 cm | 21 5/8 – 2 in |
M | 57-58 cm | 22 1/4 – 22 7/8 in |
L | 59-60 cm | 23 1/4 – 23 5/8 in |
XL | 61-62 cm | 24 – 24 3/8 in |
2XL | 63-64 cm | 24 3/4 – 25 1/4 in |
3XL | 65-66 cm | 25 5/8 – 26 in |
Icon Helmets size chart
Airframe Pro and Airmada also available in 2XS, Variant Pro, Airflite, Airform,
2XS | 51-52 cm | 20 1/8 – 20 1/2 in |
XS | 53-54 cm | 20 7/8 – 21 1/4 in |
S | 55-56 cm | 21 5/8 – 22 in |
M | 57-58 cm | 22 3/8 – 22 3/4 in |
L | 59-60 cm | 23 1/8 – 23 1/2 in |
XL | 61-62 cm | 24 – 24 3/8 in |
2XL | 63-64 cm | 24 3/4 – 25 1/8 in |
3XL | 65-66 cm | 25 1/2 – 26 in |
Klim Helmet size chart
Krios Pro, Krios Karbon Adventure, TK1200 Karbon Modular, F5 Koroyd, F3 Carbon Pro Oof-Road, F3, R1 Air Fresh Air
XS | 53-54 cm |
S | 55-56 cm |
M | 57-58 cm |
L | 59-60 cm |
XL | 61-62 cm |
2XL | 63-64 cm |
3XL | 65-66 cm |
Lazer Helmet size chart
X-Small | 53 – 54 cm | 20.87 – 21.26 in |
Small | 55 – 56 cm | 21.65 – 22.05 in |
Medium | 57 – 58 cm | 22.44 – 22.83 in |
Large | 59 – 60 cm | 23.23 – 23.62 in |
X-Large | 61 – 62 cm | 21.02 – 24.41 in |
2X-Large | 63 – 64 cm | 24.8 – 25.2 in |
3X-Large | 65 – 66 cm | 25.6 – 26 in |
4X-Large | 67 – 68 cm | 26.4 – 26.8 in |
5X-Large | 69 – 70 cm | 27.0 – 27.5 in |
LS2 Helmet sizing chart
For all Adult Helmets
X-Small | 53 – 54 cm | 20 7/8-21 1/4 in |
Small | 55 – 56 cm | 21 5/8-22 in |
Medium | 57 – 58 cm | 22 1/2 – 22 7/8 in |
Large | 59 – 60 cm | 23 1/4 – 23 5/8 in |
X-Large | 61 – 62 cm | 24 – 24 3/8 in |
XX-Large | 63 – 64 cm | 24 3/4 – 25 1/4 in |
3X-Large | 65 – 66 cm | 25 5/8 – 26 in |
4X-Large | 67 – 68 cm | 26 3/8 – 26 3/4 in |
For all Youth Helmets
Small | 51-52 cm | 20 – 20 1/2 in |
Medium | 53-54 cm | 20 7/8 – 21 1/4 in |
Large | 55-56 cm | 21 5/8 – 22 in |
Nexx Helmets size chart
For all Adult Helmets
XX-Small | 51 – 52 cm | 20.06-20.47 in |
X-Small | 53 – 54 cm | 20.87-21.26 in |
S | 55 – 56 cm | 21.27-22.05 in |
Medium | 57 – 58 cm | 22.06-22.83 in |
Large | 59 – 60 cm | 22.84-23.62 in |
X-Large | 61 – 62 cm | 23.63-24.41 in |
XX-Large | 63 – 64 cm | 24.42-25.20 in |
XXX-Large | 65 – 66 cm | 25.59-25.98 in |
Nolan Helmet size chart
Model | XXS 54 cm / 21.26 in | XS 55 cm / 21.65 in | S 56 cm / 22.05 in | M 58cm / 22.83 in | L 60cm / 23.62 in | XL 62 cm / 24.41 in | XXL 64 cm / 25.20 in | XXXL 65 cm / 25.59 in |
---|---|---|---|---|---|---|---|---|
X-1005 U.C. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N120-1 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N100-6 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N90-3 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X | X |
X-903 U.C. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
X-804 RS U.C. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N80-8 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N60-6 SPORT | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N60-6 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
X-552 U.C. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
N70-2 X | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X |
N70-2 GT | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X |
N40-5 GT | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X |
N40-5 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X |
N30-4 T | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X |
N30-4 VP | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | X |
N21 VISOR | ✓ | ✓ | ✓ | ✓ | ✓ | X | X | X |
N21 | ✓ | ✓ | ✓ | ✓ | ✓ | X | X | X |
This table showcases the models and their corresponding sizes in both centimeters and inches. The checkmark (✓) indicates the available sizes for each model.
Premier Helmets size chart
Models | XS | S | M | M+ | L | XL | XXL | XXXL |
Hyper 06 | 53-54 | 55-56 | 57 | 58 | 59 | 60 | 61 | |
Devil 06 | 53-54 | 55-56 | 57 | 58 | 59 | 60 | 61 | |
Evoluzione 06 | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
Typhoon 06 | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
Legacy GT 06 | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
Vintage 05 | 53-54 | 55-56 | 57-58 | 59-60 | 61 | 62-63 | 64-65 | |
Vintage 06 | 53-54 | 55-56 | 57 | 58 | 59 | 60-61 | 62-63 | |
Classic 05 | 53-54 | 55-56 | 57-58 | 59-60 | 61 | 62-63 | 64-65 | |
Classic 06 | 53-54 | 55-56 | 57 | 58 | 59 | 60-61 | 62-63 | |
JT5 | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
Streetfighter | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
Discovery | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
Vyrus | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | 63-64 | ||
X Trail | 53-54 | 55-56 | 57-58 | 59 | 60 | 61 | ||
Delta | 53-54 | 55-56 | 57-58 | 59 | 60 | 61 | ||
Cool EVO | 53-54 | 55-56 | 57-58 | 59 | 60 | 61 | ||
Rocker | 54 | 55 | 57 | 58 | 59 | |||
Rocker Visor | 54 | 55 | 57 | 58 | 59 | |||
Exige | 53-54 | 55-56 | 57-58 | 59-60 | 61-62 | |||
Trophy | 53-54 | 55-56 | 57 | 58 | 59 | |||
Vangarde | 53-54 | 55-56 | 57-58 | 59-60 | 61 | |||
Mx | 53-54 | 55-56 | 57 | 58 | 59 | |||
Le Petit EVO | 53-54 | 55 | 56 | 57-58 | 59-60 | 61 |
Roof Helmet size chart
BOXXER 2 CARBON, BOXXER 2, Roadster, RO200 CARBON, BAMBOO, BOXXER, CARBON, BOXXER, DESMO, BOXER V8 S, VOYAGER CARBON
X-Small | 54 cm | 21.26 in |
S | 56 cm | 22.05 in |
SM | 57 cm | 22.44 in |
Medium | 58 cm | 22.83 in |
Large | 60 cm | 23.62 in |
X-Large | 61 cm | 24.02 in |
XX-Large | 63 cm | 24.80 in |
Schuberth Helmets size chart
For all Models
XXS | 50-51 cm | 19.68 – 20.07 in |
XS | 52-53 cm | 20.47 – 20.86 in |
SM | 54-55 cm | 21.26 – 21.65 in |
MD | 56-57 cm | 22.04 – 22.44 in |
LG | 58-59 cm | 22.83 – 23.22 in |
XL | 60-61 cm | 23.62 – 24.06 in |
XXL | 62-63 cm | 24.40 – 24.80 in |
XXXL | 64-65 cm | 25.19 – 25.59 in |
Scorpion Helmet size chart
For all Models
XS | 53 – 54 cm | 20 7/8 – 21 1/4 in |
SM | 55 – 56 cm | 21 5/8 – 22 in |
MD | 57 – 58 cm | 22 7/16 – 22 3/4 in |
LG | 59 – 60 cm | 23 1/8 – 23 5/8 in |
XL | 61 – 62 cm | 24 – 24 3/8 in |
2XL | 63 – 64 cm | 24 3/4 – 25 3/16 in |
3XL | 65 – 66 cm | 25 9/16 – 26 in |
4XL | 67 – 68 cm | 26 3/8 – 26 3/4 in |
Sedici Helmet size chart
For all Helmet Models
2XS | 51 – 52 cm | 20.1-20.5 in |
XS | 53 – 54 cm | 20.9-21.3 in |
SM | 55 – 56 cm | 21.7-22.0 in |
MD | 56 – 57 cm | 22.4-22.8 in |
LG | 58 – 59 cm | 23.2-23.6 in |
XL | 60 – 61 cm | 24.0-24.4 in |
2XL | 62 – 63 cm | 24.8-25.2 in |
3XL | 64 – 65 cm | 25.6-26.0 in |
4XL | 66 – 67 cm | 26.4-26.8 in |
5XL | 67 – 68 cm | 27.0-27.5 in |
Shark Helmet size chart
RACE-R PRO GP 06, RACE-R PRO GP FIM, SPARTAN GT PRO CARBON,
SPARTAN RS CARBON, SPARTAN RS, SKWAL i3, D-SKWAL 3, RIDILL 2
XS | 53 – 54 cm | 20.87-21.26 in |
S | 55 – 56 cm | 21.65-22.05 in |
M | 57 – 58 cm | 22.44-22.83 in |
L | 59 – 60 cm | 23.23-23.62 in |
XL | 61 – 62 cm | 24.02-24.41 in |
XXL | 63 – 64 cm | 24.80-25.20 in |
Simpson Helmet size chart
Ghost Bandit, M30, M50, MOD Bandit, Outlaw Bandit, Speed Bandit
XS | 52 – 54 cm | 20.4 – 21.1 in |
S | 54 – 56 cm | 21.1 – 22 in |
M | 56 – 58 cm | 22 – 22.7 in |
L | 58 – 60 cm | 22.7 – 23.5 in |
XL | 60 – 62 cm | 23.5 – 24.2 in |
XXL | 62 – 64 cm | 24.2 – 25 in |
Shoei Helmets size chart
For all their Models
XS | 53-54 cm | 20 7/8 – 21 1/4 in |
S | 55-56 cm | 21 5/8 – 22 in |
M | 57-58 cm | 22 1/2 – 22 7/8 in |
L | 59-60 cm | 23 1/4 – 23 5/8 in |
XL | 61-62 cm | 24 – 24 3/8 in |
XXL | 63-64 cm | 24 3/4 – 25 1/8 in |
XXXL | 65-66 cm | 25 5/8 – 26 in |
Thor Helmet size chart
For all Adult Helmets
XS | 53-54 cm | 20 7/8 – 21 1/4 in |
S | 55-56 cm | 21 3/8 – 22 in |
M | 57-58 cm | 22 1/8 – 22 7/8 in |
L | 59-60 cm | 23 1/2 – 23 7/8 in |
XL | 61-62 cm | 24 – 24 1/2 in |
2XL | 63-64 cm | 24 5/8 – 25 1/2 in |
3XL | 65-66 cm | 25 5/8 – 26 in |
4XL | 67-68 cm | 26 3/8 – 26 3/4 in |
X lite Helmet size chart
X-803 Helmet, X-903 Helmet also available in 3XL
2XS | 54 cm | 21 1/4 in |
XS | 55 cm | 21 5/8 in |
S | 56 cm | 22 in |
M | 58 cm | 22 3/4 in |
L | 60 cm | 23 1/2 in |
XL | 62 cm | 24 3/8 in |
2XL | 64 cm | 25 1/8 in |
3XL | 65 cm | 25 1/2 in |
And Now?
Now you know the motorcycle helmet size charts of all popular brands.
Do you already have a specific type of helmet in mind? Or are you curious about the different types of motorcycle helmets and want to know which one best suits your needs? Find out more >>click here<<
Do you know what kind of helmet you want? Great!
But do you know what safety certifications are available and if your helmet is safe enough? For more details >>click here<<