ABUS - GAMECHANGER 2.0 polar white LFASTER FORWARD Make sure you have the decisive edge in the battle for every watt: take your racing experience to the next level with the GameChanger 2. 0. Because every second counts, less air resistance is a must! This is where the wider rear comes into play, in addition to the aerodynamic shape. The Aero Blade optimises the airflow with a special grid structure and adapts to different speeds, side angles and helmet inclinations. So the GameChanger