Helmet Size Chart
Head size in cm → helmet size
Lismore Motorcycles
How to measure: wrap a tape around your head just above the eyebrows and ears, at the widest point. Between sizes? Try both on in store.
Adult
XXS51–52 cm
XS53–54 cm
S55–56 cm
M57–58 cm
L59–60 cm
XL61–62 cm
XXL63–64 cm
3XL65–66 cm
4XL67–68 cm
Youth
LS2 Junior
S47–48 cm
M49–50 cm
L51–52 cm
Nitro Youth
S47–48 cm
M49–50 cm
L51–52 cm
RXT Youth
XXS47–48 cm
XS49–50 cm
S51–52 cm
M53–54 cm
L55–56 cm
Shot Kids
YS49–50 cm
YM51–52 cm
YL53–54 cm
Thor Youth Fleet
S48–49 cm
M50–51 cm
L52–53 cm