Arai Quantum-x Wave HelmetImproved glance off ability A smooth shell is key to a helmets ability to slide across a surface or Glance Off an obstacle during an impact. Arais VAS shield system lowers the pivot point by an average of 24mm, making the shell surface area in the critical temple area much smoother and better able to reduce impact energy getting into the helmet. QVF and QVR intake exhaust ducts The Quantum X features QVF three position intake and QVR exhaust ducts for