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.

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

Product details

Trek's fastest, most aerodynamic helmet saves big watts and shaves crucial seconds
An excellent ventilation system makes this aero helmet surprisingly cool and comfortable
The Mips Air system is light, cool, and designed to help reduce rotational forces
The single-lace BOA® fit system is fully adjustable to provide a custom, 360° fit
Rubberized sunglasses docking port provides secure and easy-to-use storage
Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
30-Day Unconditional Guarantee allows you to return your helmet if you're unsatisfied for any reason
Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over