Road Bike Helmet Size Chart
How to find the right bike helmet size:
Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Measure horizontally across your brow and over your ears. Use the chart below to find the proper helmet size based on your measurement in centimeters.
Helmet size | Fit range (cm) | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 |
Toddler | 46-50 | Toddler | ||||||||||||||||||||
Child | 48-52 | Child | ||||||||||||||||||||
Youth / XS | 50-55 | Youth / XS | ||||||||||||||||||||
Small | 51-57 | Small | ||||||||||||||||||||
S/M | 51-58 | S/M | ||||||||||||||||||||
Medium | 54-60 | Medium | ||||||||||||||||||||
M/L | 55-61 | M/L | ||||||||||||||||||||
Large | 58-63 | Large | ||||||||||||||||||||
X-Large | 60-66 | X-Large | ||||||||||||||||||||
