Moto influence in the mountain bike world is undeniable. The benefits you gain with the 6D ATB-1T Helmet are undeniable, as well. First take note of this design, with greater coverage protection in the rear for all your trail/all-mountain outings. And realize, too, that the additional real estate buys you a better spot to secure your googles. Bonus! Build-wide, the ATB-1T boasts a sturdier polycarbonate shell; this isn't the wafer-thin plastic coating you might see on some other helmets. A ratcheting system out back helps keep the helmet secure, and there are 15 vents to help moderate the temperatures.
But inside is where the magic happens. The ATB-1T has 6D's trailblazing ODS system working for you. This modular "carrier system" build starts to sound like a physics class, but here goes: Two separate EPS liners are separated by 27 elastic isolation dampers, and both allow for a 3-dimensional displacement of the inner liner upon impact, and it uncouples the impact force at the outer shell from the rider's head. That's the "carrier system" part. Built this way, the helmet will significantly reduce linear acccelerations, mitigate angular acceleration forces to the head and brain, increase €˜Time-to-Peak' values by roughly double, and deliver progressive €˜ride-down' for low, medium, and high-velocity impacts. When the dust settles the two shells have a self re-centering alignment, to put themselves right again.
Related to this construction, the air gap between the layers allows for great airflow, heat transfer and sweat evaporation. There's no penalty with you wearing what is a better-protecting helmet.
|Head Diameter||20 - 21.75" |
(51 - 55cm)
|21.75 - 22.25" |
(55 - 59cm
|23.25 - 24.75"|
(59 - 63cm)
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