Trek Ballista Mips Road Unisex Biking Helmet White/Gloss Size:M absorbing the impact of each

absorbing the impact of each stride

Color: Gravel Heather/Npf

An ergo-friendly dial at the base of the helmet provides up to 6cm of adjustment and enhanced stability

This mixed-use tire delivers off-road prowess with on-road manners for smaller-wheeled riders

Improved heel fit and integrated tongue fins provide improved stability across the heel and midfoot

Trek Ballista Mips Road Unisex Biking Helmet White/Gloss Size:M absorbing the impact of eachWhen 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. Highlights: Trek's fastest, most aerodynamic helmet saves big watts and shaves crucial seconds An excellent ventilation