OGK Kabuto Bike Helmet Size Chart

1. Achieve the perfect fit by measuring your head circumference correctly.

2. Watch the video below to see how to measure your head correctly.

3. VIDEO: How To Measure For A Bike Helmet

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4. On the chart below, find the helmet model that you are interested in, then find your head measurement to see which size you need.

OGK Kabuto Bike Helmet Size Charts

Model XS S M L XL XXL XXXL
All Kabuto products 54-55 cm 55-56cm 57-58cm 59-60 cm 61-62 cm 63-64cm 65-66cm
21¼” – 21¾” 21¾” – 22β€³ 22½” – 22β…žβ€ 23¼” – 23⅝” 24β€³ – 24½” 24β…žβ€ – 25¼” 25⅝” – 26β€³
Model Baby (1 -3 years) Kids S (4 – 6 years) Kids M (7 – 9 years) Kids L (10 years +)
Kabuto Childmet 47 –  51cm 49 – 54cm 54 – 56cm 55 – 58cm
18½” – 20⅛” 19β…œβ€ – 21¼” 21¼” – 22β€³ 21¾” 22β…žβ€