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100% Trajecta MTB Helmet Sizing

Manufacturer recommends sizing up if in between sizes.
Size Head (cm)
SM 52-56
MD 56-58
LG 58-61
XL 61-64

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.