OneK Convertible Glossy Avance

The OneK Avance Glossy Convertible matt helmet is new and unique in the field of caps. This helmet makes it possible to compose your own helmet and to change it at all times. Because of the different set-up pieces that you can easily replace yourself. It is possible to adjust the front vent, the rail and the top to your own choice. This way you can easily create your own unique helmet!
As low as €449.95
Delivery time: Select an option for the delivery time
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OneK Convertible Glossy Avance

The OneK Avance Convertible helmet features State of the Art design as well as maximum safety and comfort!

Safety first! 
The OneK helmets are composed of an Polycarbonate and advance ABS composite injection molded outer shell combined with an EPS liner – The EPS liner is the main part for impact absorption in a helmet. OneK uses only EPS of a high quality with a density making the helmet perfect for impact absorption. VG01 and EN1382-2017 approved.


The OneK helmet provides you with a very high level of ventilation featuring two front ventilations, two side, one back and two center stripe ventilations. The helmet has comfort padded harness with synthetic suede lining, hook and loop adjustment and a fast-tex buckle.

The OneK helmets are available in 3 shell sizes. By using the OneK liner which is available from XS to XL you can achieve the perfect fit. The OneK liner is made of a washable quick-dry fabric; it is moisture wicking and anti-microbial.


One K™ Helmets boast the perfect synergy between advanced technology and aesthetically pleasing design. With enough features to appeal to those seeking everything a helmet could possibly offer, wrapped in a package that traditionalists can appreciate, One K™ has the best of both worlds. Glossy, matte, suede, shiny and sparkly from genuine Swarovski crystals; The possibilities are endless.


Shell Matching liners Size in cm
0 XXXS 47-48
0 XXS 49-50
0 XS 51-52
0 S 53-54
1 XS 51-52
1 S 53-54
1 M 55-56
2 M 55-56
2 L 57-58
2 XL 59-60
2 XXL 61-62

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Brand OneK
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