Pay in 4 interest-free payments of $37.38 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
It fits close to the body so you're not distracted from giving your all
Fixed colorful jewel embellishments
840D Nylon
Metal Carabiner
Low-to-medium compression
Trek Ballista Mips Biking Helmet Black Matte Size:M It fits close to theWhen 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
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