Bell XR Spherical Helmet Size Chart
Helmet Size
Head Circumference (cm)
Head Circumference (in)
Hat Size (in)
S
52–56
20 1/2"–22"
6 1/2"–7"
M
55–59
21 5/8"–23 1/4"
6 7/8"–7 3/8"
L
58–62
22 3/4"–24 3/8"
7 1/4"–7 3/4"
