Aero chainrings is an abbreviation for aerodynamic chainrings. Aerodynamics is one of the most important elements in cycling, as it can win or lose races. Aerodynamics thus refers to the resistance of an athlete and sports equipment in the wind. This means that the larger the area of drag, the more power the athlete has to exert to travel at the same speed. In order to improve the aerodynamics and to reduce the air resistance, individual add-on parts, such as the chainrings, are replaced by aero chainrings. This conversion automatically improves the aerodynamics of the entire wheel and it can be driven at a higher speed with the same effort. Aero chainrings thus help to minimize air resistance in order to be able to ride at higher speeds.