Abus GameChanger Helmet - Race Grey SmallAbus GameChanger Helmet Race Grey Small. With its Multi Position Design the GameChanger redefines aerodynamics. The special shape reduces windage by minimizing exposed surfaces regardless of weather conditions head tilt position and inflow angle. Innovative Forced Air Cooling Technology sucks in incoming air and channels airflow around the head creating a perfect climate and keeping your head cool even in hot races. Multi Position Design: For optimal