Size Guide - A1/A2 Helmet
Measuring your head with a fabric tape measure around the circumference of your head holding the tape just above your eyebrows and ears. 1" = 25mm
| A1/2 Helmet Size Chart | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Head Circumference |
Inches | 19 | 19 3/8 | 19 3/4 | 20 1/8 | 20 1/2 | 20 7/8 | 21 1/4 | 21 5/8 | 22 | 22 3/8 | 22 3/4 | 23 1/4 | 23 5/8 | 24 | 24 3/8 |
| Hat | 6 | 6 1/8 | 6 1/4 | 6 3/8 | 6 1/2 | 6 5/8 | 6 3/4 | 6 7/8 | 7 | 7 1/8 | 7 1/4 | 7 3/8 | 7 1/2 | 7 5/8 | 7 3/4 | |
| CM | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | |
| Helmet Model | Bike Helmets | |||||||||||||||
| A1 | Y/XS | |||||||||||||||
| S | M/L | XL/XXL | ||||||||||||||
| A2 | S | M/L | XL/XXL | |||||||||||||