Road & MX Helmets
| Size |
Head Circumference (cm) |
Head Circumference (in) |
| XS |
53 - 54 |
20.8 - 21.2 |
| S |
55 - 56 |
21.6 - 22 |
| M |
57 - 58 |
22.4 - 22.8 |
| L |
59 - 60 |
23.2 - 23.6 |
| XL |
61 - 62 |
24 - 24.4 |
| 2XL |
63 - 64 |
24.8 - 25.2 |
Vector Series (MTB/ATB)
| Size |
Head Circumference (cm) |
Head Circumference (in) |
| S |
51 - 55 |
20 - 21.6 |
| M |
55 - 59 |
21.6 - 23.2 |
| L |
59 - 63 |
23.2 - 24.8 |
Youth Off-Road Helmets
| Size |
Head Circumference (cm) |
Head Circumference (in) |
| YS |
48 - 49 |
18.9 - 19.3 |
| YM |
50 - 51 |
10.6 - 20 |
| YL |
52 - 53 |
20.4 - 20.8 |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.
