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Nolan N100-5 Helmet Sizing

Size Head (cm)
2XS 54
XS 55
SM 56
MD 58
LG 60
XL 62
2XL 64
3XL 65

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How to Measure

  • H Head
    Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
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