When speed is your top priority and every watt counts, reach for the helmet that'll cut through the wind to save you seconds. Ballista is Trek's fastest, most aerodynamically advanced helmet.
Features
Trek's fastest, most aerodynamic helmet will save big watts and shave crucial seconds
An excellent ventilation system makes this aero helmet surprisingly cool and comfortable
The Mips Air system is light and cool and designed to improve comfort and protection
The single-lace BOA® fit system is fully adjustable to provide a custom, 360° fit
Rubberised sunglasses docking port provides secure and easy-to-use storage
