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6D ATB-1 Attack Helmet

Item #: HE221G00
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6D ATB-1 Attack Helmet

As it is today, by the nature of EPS foam and the traditional way of constructing a helmet, manufacturers cannot adequately support both ends of the impact energy spectrum for off-road helmets. Most mountain bike helmets are certified to protect against high-impact, life-threatening crashes. As everyone would agree that this is a very important part of a helmet, it does however overlook the smaller, concussion-causing impacts. Although these smaller impacts transfer less energy to the rider’s head, a concussion can be caused by impacts ranging from 60-169g* in an adult male and can results in serious, long-term effects on the brain. Most modern Snell and ECE certified helmets transfer about 120g of energy to the rider’s head during a 4m/sec (8.95mph) impact, which is more than enough to cause a concussion.

Omni-Directional Suspension™

6D’s revolutionary new ODS™ technology addresses these issues concerning low-impact crashes, providing protections over a broader range of energy transfer. ODS™ (Omni-Directional Suspension™) technology starts, like most helmets, with an EPS liner, however that is where the similarities end. The EPS liner on a 6D helmet is divided in two, separated by an Air-Gap which is supported by a series of elastomeric isolation dampers. These hourglass shaped elastomers (pictured below) provide omni-directional movement of the outer-shell during a crash, protecting against oblique impacts and angular acceleration demands; something no other helmets can offer.

OSD Provides

  • Excellent low-threshold energy compliance
  • Improved linear energy compliance
  • Mitigates angular acceleration energy transfer
  • Exclusive Air-Gap for improved cooling and heat transfer
  • Reduced likelihood of injury or concussion compared to traditional helmet design

6D ATB-1 Safety Features

  • ODS™ (Omni-Directional Suspension™) Technology
  • Air-Gap Technology™: An advanced air-flow management system designed to provide significant air-flow throughout the entire helmet.
  • Shell: A proprietary woven blend of advanced aerospace carbon fiber, composite fiberglass, and Kevlar.
  • Visor mounts flush with integrated recess into the outer shell surface.
  • Large eyeport opening provides excellent fitment of all popular goggles
  • Removable contoured roost guard provides additional protection from rocks and roost.
  • Integrated traction posts at the eyeport combine with a shell recess to keep your goggle strap secure.
  • Clavicle Cut-Away: Provides increased clavicle clearance without sacrificing strength.
  • Rear Delta Vent: Aids heat transfer by scavenging air from within the helmet.
  • Sternum Pad: Provides added protection of the chin, jaw and sternum in the event of an accident.
  • Comfort Liner: Genuine CoolMax™ anti-bacterial fabric. Easy removal makes washing and replacement easy.
  • Emergency Release Cheek Pads: Provides easier access and helmet removal during emergency situations.
  • Replaceable mouth piece provides excellent roost protection and air-flow.
  • Shear-away Visor Screws: Manufactured of engineered plastic rather than aluminum or titanium, allows the screws to shear more easily in the event of a high-stress impact or snag, improving rider safety.
  • Effective visor design blocks roost, vents aggressively and mounts securely.
  • Fully compatible with all neck braces.
  • Stainless steel screens protect all shell openings.
  • Titanium ‘D’ rings and chin strap rivets.
  • Exceeds ECE and DOT standards.
  • Weight: +/- 1,310 grams.
  • 3-year limited warranty.
Size Extra Small Small Medium Large
Inches 20 7/8 - 21 1/4 21 5/8 - 22 22 1/2 - 22 3/4 22 3/4 - 23 1/4
Metric 53-54cm 55-56cm 57-58cm 58-59cm
Cheekpad 50mm 45mm 45mm 40mm

Your helmet should fit snug and securely around the entire circumference of your head. Cheek padsshould befirm against your cheek bones and offer support from the helmet moving laterally.

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by PowerReviews
6D Helmets6D ATB-1 Attack Helmet

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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Extremely comfortable!


from Los Angeles, CA

About Me Casual/ Recreational

Verified Reviewer


  • Comfortable Fit
  • Good Ventilation
  • Lightweight


    Best Uses

    • Downhill

    Comments about 6D Helmets 6D ATB-1 Attack Helmet:

    This is by far the most comfortable DH mtb helmet i have owned. People may complain about the price but the technology has more than proven itself in the motorcycle industry already so i am a firm believer!

    • Sizing:
    • Feels true to size
    • Was this a gift?:
    • No

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