Safe-Tec 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.

Safe-Tec Bike Helmet Size Charts

Model S M L XL
Tyr 53 – 55cm 55 – 58cm 58 – 61cm 61 -63cm
20⅞” – 21⅝” 21⅝” – 22⅞” 22⅞” – 24″ 24″ – 24⅞”
Tyr 2 53 – 55cm 55 – 58cm 58 – 61cm 61 -63cm
20⅞” – 21⅝” 21⅝” – 22⅞” 22⅞” – 24″ 24″ – 24⅞”
Tyr 3 53 – 55cm 55 – 58cm 58 – 61cm 61 -63cm
20⅞” – 21⅝” 21⅝” – 22⅞” 22⅞” – 24″ 24″ – 24⅞”
Thor 53 – 55cm 55 – 58cm 58 – 61cm 61 -63cm
20⅞” – 21⅝” 21⅝” – 22⅞” 22⅞” – 24″ 24″ – 24⅞”