The 2009 Giro Advantage 2 Time Trial TT Aero Bike Helmet is the most prominent aero helmet ever created. The Giro Advantage 2 Time Trial TT Aero Bike Helmet is shaped with input from the worlds fastest riders over 23 years. The choice of elite professionals like Alberto Contador, Levi Leipheimer, David Millar and Alejandro Velverde. The Advantage 2 represents the pinnacle of aerodynamic performance, fit and ventilation. Simply put, it's what the world's best riders wear when every thousandth of a second counts. The 2009 Giro Advantage 2 Time Trial TT Aero Bike Helmet is the ultimate in aero helmets and time trial races.
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