Troxel Helmet Fit Guide

Use this guide to help determine the size helmet you need. Measure around the largest part of the head (just above the brow in front).

Head Circumference (inches)Circumference (cm)Helmet Size
20516-1/2
20-1/2526-5/8
2153-1/26-3/4
21-1/254-556-7/8
22567
22-1/2577-1/8
2358-1/27-1/4
23-1/2607-3/8
24617-1/2
24-1/2627-5/8
2563-1/27-3/4

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