6D ATB-2T Ascent Mountian Bike Helmet

The ATB-2T Ascent Mountain Bike Helmet incorporates 6D's fourth generation of ODS system mating a multi-impact EPP inner liner to an in-molded EPS outer liner and outer PC shell. This combination of materials combined with 6D's award winning technology provides unmatched performance in a lightweight fully ventilated trail helmet. A unique fit system combined with Ionic+ anti-microbial fit liner and a Fidlock closure further improves safety and rider comfort.


  • Polycarbonate shell
  • Patented Omni-Directional Suspension (ODS) 
  • Mitigates angular and linear accelerations 
  • Ionic+ antimicrobial comfort liner 
  • Exceptional flow-through ventilation 
  • 3-position adjustable / removable visor
  • Integrated sunglass dock 
  • Eyewear / goggle compatible 
  • Adjustable fitment system
  • Fidlock closure system 
  • Mesh travel bag
  • Virginia Tech 5 star rating 
  • Exceeds CPSC / EN1078 / AU/NZS 2063 standards 
  • Exceeds NTA 8776 e-bike standards
  • Bicycle use only, not DOT-approved and not intended for use with motorcycles

(MCL-112464-ALT1-HOST, MCL-1124645, MCL-1124646, MCL-1124644)

Brand 6D Helmets

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