Harley-Davidson Helmets Size Chart

Size Helmet manufacturer
cm AGV KBC HJC BELL
51 2XS 2XS 2XS 2XS
52 2XS 2XS 2XS 2XS
53 XS XS XS XS
54 XS XS XS S
55 S S S S
56 S S S M
57 M M M M
58 M M M L
59 L L L L
60 L L L XL
61 XL XL XL XL
62 XL XL XL 2XL
63 2XL 2XL 2XL 2XL
64 2XL 2XL 2XL -
Note: To determine the correct head circumference, please measure approximately 1 inch (2.54 cm) above the eyebrows. If in doubt, we advise ordering the smaller size.