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To measure your correct helmet size, measure the circumference of your head, like a headband, one inch above the eyebrows, above the ears. Match inch measurement to chart. If between sizes, choose the next larger size. Helmet should be snug but not overly tight.
AGV |
AFX |
Akuma |
Bell |
Fly |
Fox |
Gmax |
HJC |
Icon |
KBC |
Klim
Nolan |
Scorpion |
Shoei |
Suomy |
Thor |
Vega |
Z1R
|
|
| top |
| AFX Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 21-1/4" – 21-5/8" |
54 – 55 |
6-3/4" – 6-7/8" |
XS |
| 22" – 22-7/16" |
56 – 57 |
7" – 7-1/8" |
S |
| 22-13/16" – 23-1/4" |
58 – 59 |
7-1/4 – 7-3/8 |
M |
| 23-5/8" – 24" |
60 – 61 |
7-1/2" – 7-5/8" |
L |
| 24-3/8" – 24-13/16" |
62 – 63 |
7-3/4" – 7-7/8" |
XL |
| 25-3/16" – 25-5/8" |
64 – 65 |
8 – 8-1/8" |
2XL |
| 26" – 26-3/8" |
66 – 67 |
8-1/4" – 8-3/8" |
3XL |
| 26-3/4" – 27-1/8" |
68 – 69 |
8-1/2" – 8-5/8" |
4XL |
|
| top |
| AGV Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 21-1/4" – 21-5/8" |
54 – 55 |
6-3/4" – 7" |
XS |
| 22" – 22-3/8" |
56 – 57 |
7" – 7-1/8" |
S |
| 22-3/4" – 23-1/2" |
58 – 59 |
7-1/4" – 7-1/2" |
M |
| 23-1/2" – 24" |
60 – 61 |
7-1/2" – 7-5/8" |
L |
| 24-3/8" |
62 – 63 |
7-3/4" |
XL |
| 24-3/4" – 25-1/8" |
64 – 65 |
7-7/8" – 8" |
2XL |
|
| top |
| Akuma Helmets |
| Inches |
20.86 – 21.25 |
21.65 – 22.04 |
22.44 – 22.83 |
23 – 23.62 |
24.01 – 24.41 |
24.80 – 25.19 |
25.59 – 26 |
| CM |
53 – 54 |
55 – 56 |
57 – 58 |
59 – 60 |
61 – 62 |
63 – 64 |
65 – 66 |
| Hat Size |
6-5/8" – 6-3/4" |
6-7/8" – 7" |
7-1/8" – 7-1/4" |
7-3/8" – 7-1/2" |
7-5/8" – 7-3/4" |
7-7/8" – 8" |
8-1/8" – 8-1/4" |
| Ghost Rider |
S |
M |
L |
XL |
2XL |
3XL |
n/a |
| Werewolf |
S |
M |
L |
XL |
2XL |
3XL |
n/a |
| Doragon |
n/a |
S |
M |
L |
XL |
2XL |
3XL |
| Stealth |
S |
M |
L |
XL |
2XL |
3XL |
n/a |
| Shaolin Dragon |
n/a |
S |
M |
L |
XL |
2XL |
3XL |
| R2 Specter |
n/a |
S |
M |
L |
XL |
2XL |
3XL |
| Ninja |
n/a |
S |
M |
L |
XL |
2XL |
3XL |
| OCC |
n/a |
S |
M |
L |
XL |
2XL |
3XL |
|
| top |
| Bell Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 19-1/2" – 20" |
50 – 51 |
5-7/8" – 6-1/8" |
YS |
| 20" – 20-1/2" |
51 – 52 |
6-1/8" – 6-3/8" |
YM |
| 20-1/2" – 21" |
52 – 53 |
6-3/8" – 6-5/8" |
YL |
| 20-7/8" – 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" – 22" |
55 – 56 |
6-7/8" – 7" |
S |
| 22-3/8" – 22-3/4" |
57 – 58 |
7-1/8" – 7-1/4" |
M |
| 23-1/4" – 23-5/8" |
59 – 60 |
7-3/8" – 7-1/2" |
L |
| 24" – 24-3/8" |
61 – 62 |
7-5/8" – 7-3/4" |
XL |
| 24-3/4" – 25-1/4" |
63 – 64 |
7-7/8" – 8" |
2XL |
|
| top |
| Fly Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 19-11/16" – 20-1/16" |
49 – 50 |
6 |
YS |
| -- |
-- |
6-1/8" – 6-1/4" |
YM |
| -- |
-- |
6-3/8" – 6-1/2" |
YL/XXS |
| 20-7/8" – 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" – 22" |
55 – 56 |
6-7/8" – 7" |
S |
| 22-3/8" – 22-3/4" |
57 – 58 |
7-1/8" – 7-1/4" |
M |
| 23-1/8" – 23-1/2" |
59 – 60 |
7-3/8" – 7-1/2" |
L |
| 24" – 24-3/8" |
61 – 62 |
7-5/8" – 7-3/4" |
XL |
| 24-3/4" – 25-1/8" |
63 – 64 |
7-7/8" – 8" |
2XL |
| -- |
-- |
-- |
3XL |
|
| top |
| Fox Helmets |
| Head Measurement |
|
|
Helmet Size |
| 20-1/2" – 21-1/8" |
|
|
XS |
| 21-1/4" – 22-1/8" |
|
|
S |
| 22-3/8" – 23-1/8" |
|
|
M |
| 23-1/4" – 23-3/4" |
|
|
L |
| 23-7/8" – 24-3/4" |
|
|
XL |
| 24-7/8" – 25-3/4" |
|
|
XXL |
| Youth Sizing |
| 18-3/4" – 19-5/8" |
|
|
KS |
| 19-1/4" – 20" |
|
|
KM |
| 20-1/8" – 21" |
|
|
KL |
|
| top |
| GMax Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 19-11/16" – 20-1/16" |
49 – 50 |
6-1/4" – 6-3/8" |
YS |
| -- |
-- |
-- |
YM |
| 20-1/2" – 20-7/8" |
52 – 53 |
6-1/2" – 6-5/8" |
YL/XXS |
| 21-1/4" – 21-5/8" |
54 – 55 |
6-3/4" – 6-7/8" |
XS |
| 22" – 22-3/8" |
56 – 57 |
7" – 7-1/8" |
S |
| 22-3/4" – 23-1/8" |
58 – 59 |
7-1/4" – 7-3/8" |
M |
| 23-1/2" – 24" |
60 – 61 |
7-1/2" – 7-5/8" |
L |
| 24-3/8" – 24-3/4" |
62 – 63 |
7-3/4" – 7-7/8" |
XL |
| 25-1/8" – 25-1/2" |
64 – 65 |
8" – 8-1/8" |
2XL |
| 26 |
66 |
8-1/4" |
3XL |
|
| top |
| HJC Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 19-1/4" – 19-3/4" |
49 – 50 |
6-1/8" – 6-1/4" |
Youth S/M |
| 20" – 20-1/2" |
51 – 52 |
6-3/8" – 6-1/2" |
Youth L/XL |
| 20" – 20-1/2" |
51 – 52 |
6-3/8" – 6-1/2" |
XXS |
| 20-7/8" – 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" – 22" |
55 – 56 |
6-7/8" – 7" |
S |
| 22-1/2" – 22-7/8" |
57 – 58 |
7-1/8" – 7-1/4" |
M |
| 23-1/4" – 23 5/8" |
59 – 60 |
7-3/8" – 7-1/2" |
L |
| 24" – 24-3/8" |
61 – 62 |
7-5/8" – 7-3/4" |
XL |
| 24-3/4" – 25-1/4" |
63 – 64 |
7-7/8" – 8" |
2XL |
| 25-5/8" – 26" |
65 – 66 |
8-1/8" – 8-1/4" |
3XL |
|
| top |
| Icon Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 20-7/8" – 21 1/4" |
n/a |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" – 22" |
n/a |
6-7/8" – 7" |
S |
| 22-3/8" – 22-3/4" |
n/a |
7-1/8" – 7-1/4" |
M |
| 23-1/8" – 23-1/2" |
n/a |
7-3/8" – 7-1/2" |
L |
| 24" – 24-3/8" |
n/a |
7-5/8" – 7-3/4" |
XL |
| 24-3/4" – 25-1/4" |
n/a |
7-7/8" – 8" |
2XL |
|
| top |
| KBC Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 20-1/4" – 20-7/8" |
53 – 54 |
6-1/2" – 6-5/8" |
XS |
| 21" – 21-5/8" |
55 – 56 |
6-3/4" – 6-7/8" |
S |
| 21-3/4" – 22-3/8" |
57 – 58 |
7" – 7-1/8" |
M |
| 22-1/2" – 23-1/8" |
59 – 60 |
7-1/4" – 7-3/8" |
L |
| 23-1/4" – 24" |
61 – 62 |
7-1/2" – 7-5/8" |
XL |
| 24-1/8" – 24-7/8" |
63 – 64 |
7-3/4" – 7-7/8" |
2XL |
|
| top |
| Klim Helmets |
| Head Measurement | Centimeter | | Helmet Size |
| 20-7/8" – 21-1/4" | 53 – 54 | | XS |
| 21-5/8" – 22" | 55 – 56 | | S |
| 22-3/8" – 22-3/4" | 57 – 58 | | M |
| 23-1/4" – 23-5/8 | 59 – 60 | | L |
| 24" – 24-3/8" | 61 – 62 | | XL |
| 24-3/4" – 25-1/4" | 63 – 64 | | 2XL |
| 25-1/4" – 25-5/8" | 65 – 66 | | 3XL |
|
| top |
| Nolan Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 20-1/4" – 20-7/8" |
n/a |
6-1/2" – 6-5/8" |
XS |
| 21" – 21-5/8" |
n/a |
6-3/4" – 6-7/8" |
S |
| 21-3/4" – 22-3/8" |
n/a |
7" – 7-1/8" |
M |
| 22-1/2" – 23-1/8" |
n/a |
7-1/4" – 7-3/8" |
L |
| 23-1/4" – 24" |
n/a |
7-1/2" – 7-5/8" |
XL |
| 24-1/8" – 24-7/8" |
n/a |
7-3/4" – 7-7/8" |
2XL |
| 25" – 25-5/8" |
n/a |
8" – 8-1/8" |
3XL |
|
| top |
| Scorpion Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" |
55 – 56 |
6-7/8" – 7" |
SM |
| 22-3/8" |
57 – 58 |
7-1/8" – 7 1/4" |
MD |
| 23-1/8" |
59 – 60 |
7-3/8" – 7 1/2" |
LG |
| 23-1/2" |
61 – 62 |
7-5/8" – 7 3/4" |
XL |
| 24-1/4" |
63 – 64 |
7-7/8" – 8" |
2XL |
| 25-1/2" |
65 – 66 |
8-1/8" – 8-1/4" |
3XL |
| Youth
Sizing "VX-9" only |
| 19-1/4" |
48 – 49 |
Y-SM |
Y-SM |
| 20-1/8" |
50 – 51 |
Y-MD |
Y-MD |
| 20-7/8" |
52 – 53 |
Y-LG |
Y-LG |
|
| top |
| Shoei Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 19-3/4" – 20-1/8" |
50 – 52 |
6-1/4" – 6-1/2" |
Childs S/M |
| 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
Childs L/XL |
| 21-1/8" |
51 – 52 |
6-3/8" – 6-1/2" |
XXS |
| 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" |
55 – 56 |
6-7/8" – 7" |
S |
| 22-3/8" |
57 – 58 |
7-1/8" – 7-1/4" |
M |
| 23-1/8" |
59 – 60 |
7-3/8" – 7-1/2" |
L |
| 23-1/2" |
61 – 62 |
7-5/8" – 7-3/4" |
XL |
| 24-1/4" |
63 – 64 |
7-7/8" – 8" |
2XL |
| 24-5/8" |
65 – 66 |
8-3/8" – 8-1/2" |
3XL |
|
| top |
| Suomy Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 20 1/2" – 20 7/8" |
53 – 54 |
6 1/2" – 6 5/8" |
XS |
| 21 1/4" – 21 5/8" |
55 – 56 |
6 3/4" – 6 7/8" |
S |
| 22" – 22 1/2" |
57 – 58 |
7" – 7 1/8" |
M |
| 22 7/8" – 23 1/4" |
59 – 60 |
7 1/4" – 7 3/8" |
L |
| 23 5/8" – 24" |
61 – 62 |
7 1/2" – 7 5/8" |
XL |
| 24 1/2" – 24 7/8" |
63 – 64 |
7-3/4" – 7-7/8" |
2XL |
| 25 1/4" – 25 5/8" |
65 – 66 |
8" – 8-1/8" |
3XL |
|
| top |
| Thor Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 20" – 20-1/2" |
51 – 52 |
6-3/8" – 6-1/2" |
XXS |
| 20-3/4" – 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" – 22" |
55 – 56 |
6-7/8" – 7" |
SM |
| 22-1/2" – 22-3/4" |
57 – 58 |
7-1/8" – 7-1/4" |
MD |
| 23-1/4" – 23-5/8" |
59 – 60 |
7-3/8" – 7-1/2" |
LG |
| 24" – 24-1/2" |
61 – 62 |
7-5/8" – 7 3/4" |
XL |
| 24-3/4" – 25-1/4" |
63 – 64 |
7-7/8" – 8" |
2XL |
|
| top |
| Vega Helmets |
| Head Measurement | Centimeter | Hat Size | Helmet Size |
| 20.87" – 21.26" | 53 – 54 | 6-5/8" – 6-3/4" | XS |
| 21.65" – 22.05" | 55 – 56 | 6-7/8" – 7" | S |
| 22.44" – 22.83" | 57 – 58 | 7-1/8" – 7-1/4" | M |
| 23.23" – 23.62 | 59 – 60 | 7-3/8" – 7-1/2" | L |
| 24.02" – 24.41" | 61 – 62 | 7-5/8" – 7-3/4" | XL |
| 24.8" – 25.2" | 63 – 64 | 7-7/8" – 8" | 2XL |
| 25.6" – 26" | 65 – 66 | 8-1/8" – 8-1/4" | 3XL |
| 26.4" – 26.8" | 67 – 68 | 8-3/8 – 8-1/2" | 4XL |
| 27" – 27.5" | 69 – 70 | 8-5/8" – 8-3/4" | 5XL |
| Youth Sizing |
| 19.15" – 19.5" | 49 – 50 | | S |
| 20.10" – 20.45" | 51 – 52 | | M |
| 20.87" – 21.26" | 53 – 54 | | L |
|
| top |
| Z1R Helmets |
| Head Measurement |
Centimeter |
Hat Size |
Helmet Size |
| 20" – 20-1/2" |
51 – 52 |
6-3/8" – 6-1/2" |
XXS |
| 20-3/4" – 21-1/4" |
53 – 54 |
6-5/8" – 6-3/4" |
XS |
| 21-5/8" – 22" |
55 – 56 |
6-7/8" – 7" |
SM |
| 22-3/8" – 22-3/4" |
57 – 58 |
7-1/8" – 7-1/4" |
MD |
| 23-1/8" – 23-5/8" |
59 – 60 |
7-3/8" – 7-1/2" |
LG |
| 24" – 24-1/2" |
61 – 62 |
7-5/8" – 7 3/4" |
XL |
| 24-3/4" – 25-1/4" |
63 – 64 |
7-7/8" – 8" |
2XL |
|