Bell Sizing Information

How to size
Adult Helmets (all except Drifter, Drifter DLX and Pit Boss)
Size Head Circumference (in) Head Circumference (cm) Hat Size
XXS 20 - 20 1/2 51 - 52 6 3/8 - 6 1/2
XS 21 1/4 - 21 5/8 54 - 55 6 3/4 - 6 7/8
S 21 5/8 - 22 55 - 56 6 7/8 - 7
M 22 1/2 - 22 3/4 57 - 58 7 1/8 - 7 1/4
L 22 3/4 - 23 1/4 58 - 59 7 1/4 - 7 3/8
XL 23 5/8 - 24 60 - 61 7 1/2 - 7 5/8
XXL 24 1/2 - 24 3/4 62 - 63 7 3/4 - 7 7/8
 
BELL DRIFTER
Size Head Circumference (in) Head Circumference (cm) Hat Size
X-SMALL 20 1/2 - 20 7/8 52-53 6 1/2 - 6 5/8
SMALL 21 1/4 - 21 5/8 54-55 6 3/4 - 6 7/8
MEDIUM 22 - 22 3/8 56-57 7 - 7 1/8
LARGE 22 3/4 - 23 1/4 58-59 7 1/4 - 7 3/8
X-LARGE 23 5/8 - 24 60-61 7 1/2 - 7 5/8
XX-LARGE 24 3/8 - 24 3/4 62-63 7 3/4 - 7 7/8
 
BELL DRIFTER DLX/PIT BOSS
Size Head Circumference (in) Head Circumference (cm) Hat Size
X-SMALL/SMALL 20 3/4 - 22 53-56 6 5/8 - 7
SMALL 20 3/4 - 22 53-56 6 5/8 - 7
MEDIUM 22 - 22 3/4 56-58 7 - 7 1/8
LARGE 22 3/4 - 23 5/8 58-60 7 1/4 - 7 1/2
X-LARGE 24 - 24 3/4 61-63 7 5/8 - 7 7/8
X-LARGE/XX-LARGE 24 - 24 3/4 61-63 7 5/8 - 7 7/8