Trek Ballista Mips Biking Helmet Black Matte Jan-22 Product Code: 28924-5280

Product Code: 28924-5280

Mesh Lining

+/- 5% accurate power readings

Product Code: MT41592-GGL

Trek Ballista Mips Biking Helmet Black Matte Jan-22 Product Code: 28924-5280When 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. Highlights: Circumference S M : 51 57 cm M L : 54 60 cm Fit System: BOA Buckle Type: Standard Buckle 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