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Road Bike Helmet Size Chart

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Road Bike Helmet Size Chart

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

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