The popular Sport helmet just got better with the 2.0’s upgrades including a sturdy injection molded shell, a new matte finish and a sleek integrated visor. Now in XS to XL, this helmet pairs the largest size range in our line with an improved fit. With larger vents for more airflow, this all-purpose helmet offers comfort and performance at a great price.

• HELMET SIZE GUIDE

  STEP 1: MEASURE

  Use a measuring tape to measure around your head one inch above your eyebrows. Or use a string to measure and then lay it out and measure the length of the string.

  STEP 2: CHOOSE SIZE

  Use the chart to convert measurement to hat size

  

  STEP 3: SELECT YOUR HELMET

  Select the helmet model you would like to purchase and review the specific size range available and order accordingly.

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  Download PDF Guides

  

  TROXEL CONVERSION CHART

  HEAD SIZE INCHES	HEAD SIZE CM	HAT SIZE
  19 ⅝	50	6 ¼
  20	51	6 ⅜
  20 ⅜	52	6 ½
  20 ¾	53	6 ⅝
  21 ¼	54	6 ¾
  21 ⅝	55	6 ⅞
  22	56	7
  22 ⅜	57	7 ⅛
  22 ¾	58	7 ¼
  23 ⅛	59	7 ⅜
  23 ⅝	60	7 ½
  24	61	7 ⅝
  24 ⅜	62	7 ¾

  Disclaimer: This conversion chart is a guide only and does not constitute a guarantee as to the fit of the helmet. Some people may have a unique head shape changing what size they need.  Some helmets fit different shaped heads better than others.