Trek Ballista Mips Biking Helmet Black Matte Jan-22 Product Code: MT41592-GGL

Product Code: MT41592-GGL

Product Code: 1ME30520553

Color: Charcoal/Black

Adjustable Fit: Features an elastic waistband with adjustable straps for a snug

+/- 5% accurate power readings

Trek Ballista Mips Biking Helmet Black Matte Jan-22 Product Code: MT41592-GGLWhen 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