Bell Helmets Size Chart
Please note: The shape of your head is as important as the measurement, so sizing is approximate.
Refer to our Helmet Sizing & Fitting Guide for measuring and fitting tips.
| Size | Head Circumference (CM) | Head Circumference (IN) | Hat Size |
| XS | 54-55 CM | 21 1/4"– 21 5/8" | 6 5/8"– 6 3/4" |
| S | 55-56 CM | 21 5/8"– 22" | 6 7/8"– 7" |
| M | 57-58 CM | 22 1/2"– 22 3/4" | 7 1/8"– 7 1/4" |
| L | 59-60 CM | 22 3/4"– 23 1/4" | 7 1/4"– 7 3/8" |
| XL | 61-62 CM | 23 5/8"– 24" | 7 1/2"– 7 5/8" |
| XXL | 63-64 CM | 24 3/4"– 25 1/4" | 7 7/8"– 8" |