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Helmet Sizing Bell Helmets

    Please DO NOT use your hat size to determine your helmet size. This can lead to an improper fit! Please measure as instructed below! Hat sizes given on the chart below are just for reference.

    Bell Helmet Sizing Chart
    Size Metric (CM) Inches Hat Size
    XX-Small 54-55 21-1/4 to 21-5/8 6-3/4 to 6-7/8
    X-Small 56 22 7
    Small 57 22-3/8 7-1/8
    Medium 58-59 22-3/4 to 23-1/8 7-1/4 to 7-3/8
    Large 60-61 23-1/2 to 23-7/8 7-1/2 to 7-5/8
    XL 62-63 24-1/4 7-3/4
    XXL 64-68 25-1/8 to 26-3/8 8 to 8-1/2

    Helmet Sizing Instructions

    Helmet MeasurementMeasuring your head properly is critical to insure a proper helmet fit and proper fit is essential for the best possible head protection during an impact. Proper fit is something that you definitely want to get right the first time, so please follow these instructions carefully. Wesco Performance strongly recommends using a cloth tape (sewing measuring tape) or a string and then measure the string with a conventional measuring tape. Wesco Performance also strongly recommends using the metric increments on the tape for the most accurate measurement.

    Measuring: The circumference of the head should be measured at a point approximately one inch above the eyebrows in front, and at a point in the back of the head that results in the largest possible measurement. Take several measurements and it is best to use the largest result.