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0110-5421

HJC CS-MX 2 Dakota Helmet

Size Guide
HJC Helmet Sizing Chart

Helmet Size Convention Chart

This size chart is only for reference. Always try the helmet on and follow this manual’s instructions for a proper fit.

SIZE CENTIMETER HAT SIZE INCHES
XXS 51-52 6 3/8 – 6 1/2 20 – 20 1/2
XS 53 – 54 6 5/8 – 6 3/4 20 7/8 – 21 1/4
S 55 – 56 6 7/8 – 7 21 5/8 – 22
M 57 -58 7 1/8 – 7 1/4 22 1/2 – 22 7/8
L 59 -60 7 3/8 – 7 1/2 23 1/4 – 23 5/8
XL 61 – 62 7 5/8 – 7 3/4 24 – 24 3/8
2XL 63 – 64 7 7/8 – 8 24 3/4 – 25 1/4
3XL 65 – 66 8 1/8 – 8 1/4 25 5/8 – 26
4XL 67 – 68 8 3/8 – 8 1/2 26 3/8 – 26 3/4
5XL 69 – 70 8 3/4 – 8 3/4 27 1/4 – 27 5/8

 

RPHA Series, FG-Jet, FG-17 Size Chart
SIZE CENTIMETER HAT SIZE INCHES
XS 54-55 6 3/4 – 6 7/8 21 1/4 – 21 5/8
S 55-56 6 7/8 – 7 21 5/8 – 22
M 57-58 7 1/8 – 7 1/4 22 1/2 – 22 7/8
L 58-59 7 1/4 – 7 3/8 23 7/8 – 23 1/4
XL 60-61 7 1/2 – 7 5/8 23 5/8 – 24
2XL 62-63 7 3/4 – 7 7/8 24 3/8 – 24 3/4
3XL 64-65 8 – 8 1/8 25 1/4 – 25 5/8

 

CL-17 & CL-17 Plus
SIZE CENTIMETER HAT SIZE INCHES
XS 54-55 6 3/4 – 6 7/8 21 1/4 – 21 5/8
S 56-57 7 – 7 1/8 22 – 22 1/2
M 58-59 7 1/4 – 7 1/8 22 7/8 – 23 1/4
L 60-61 7 1/2 – 7 5/8 23 5/8 – 24
XL 62-63 7 3/4 – 7 7/8 24 3/8 – 24 3/4
2XL 63-64 8 – 8 1/8 25 1/4 – 25 5/8
3XL 65-66 8 1/8 – 8 1/4 25 5/8 – 26
4XL 67-68
8 3/8 – 8 1/2
26 3/8 – 26 3/4
5XL 69-70
8 3/4 – 8 3/4
27 1/4 – 27 5/8

Want to know more about the availability of this product?

HJC CS-MX II Dakota Helmet

The HJC CS-MX 2 Helmet features a very broad field of view and strategically positioned ventilation channels for forcing cool air in and hot air out.

Features:

  • Polycarbonate composite shell lightweight, superior fit and comfort using advanced CAD technology
  • ACS Advanced Channeling Ventilation System full front-to-back airflow flushes heat and humidity up and out the rear of the helmet
  • Plush removable and washable Nylex interior
  • Large eye port with optimal visibility and superior goggle fit
  • DOT approved
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