Aerodynamic drag is the worst adversary of triathletes and road bike racers. It increases exponentially to speed. The Aero2 is not only one of the most aerodynamic and fastest triathlon bikes, but also one of the world’s lightest. Our timeless triathlon bikes that have been put through their paces in competitions make your biggest rival look small. Aero2 – the super-light, aerodynamic and perfectly coordinated triathlon bike.