Trek Ballista Mips Road Bike Helmet

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.

The Ballista is light, cool, comfortable and engineered with a fully integrated Mips Air safety system that's designed to help keep you safer.

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