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CKX RR619 Quantum Helmet

Size Guide
CKX Helmet Adult Size Chart

CKX Gear Logo

Adult Helmets

Casques Adultes

Size - Grandeur
Inch - Pouces CM
2XS - 2TP
20 - 20 ½ 51 - 52
XS - TP
20 ⅞ - 21 ¼ 53 - 54
S - P 21 ⅝ - 22 55 - 56
M - M 22 ½ - 22  57 - 58
L - G 23 ¼ - 23  59 - 60
XL - TG 24 - 24  61 - 62
2XL - 2TG 24 ¾ - 25 ¼ 63 - 64
3XL - 3TG 25 ⅜ - 26 65 - 66
4XL - 4TG 26 ⅜ - 26 ¾ 67 - 68
5XL - 5TG 27 ⅛ - 27 ½ 69 - 70

 Measure the circumference of your head, one inch above your eyebrows and the ears, then refer to the chart. Most of CKX helmets can also be adjusted with cheek pads of varying thicknesses.

Mesurez la circonférence de votre tête, un pouce au-dessus des sourcils et des oreilles, puis référez-vous au tableau. La majorité des casques CKX peuvent aussi être ajustés avec des coussinets de joues de différentes épaisseurs.

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CKX RR619 Quantum Helmet

Equipped with all key features, the CKX RR619 is the perfect entry-level helmet for motorbike enthusiasts!
Meeting the DOT standard, the full-face helmet provides you increased protection in the event of impact.
When riding during the summer season, it offers adequate ventilation with adjustable openings on the chin and on the top of the helmet. The visor’s spring mechanism also improves the comfort level by signifi. . . Show More >

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