Less wind. More win.
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.
Product details
- 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
- Bevelled front edge improves field of view while riding on the hoods and in the drops
- The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
- The 30-Day Unconditional Guarantee allows you to return your helmet if you're unsatisfied for any reason
