When speed is your top priority and every Watt counts, it is essential to have a helmet that can crack the air to save you seconds. Ballista is the fastest and aerodynamically advanced helmet of Trek.
Ballista is light, cool, comfortable and equipped with a fully integrated Mips Air safety system designed to improve safety.
Product details
- Trek's fastest and aerodynamic helmet saves several Watts and severes crucial seconds
- An excellent ventilation system makes this aerodynamic helmet surprisingly fresh and comfortable
- The Mips Air system is light, fresh and designed to improve comfort and protection
- The BOA® single strap adjustment system is fully adjustable and offers a 360° custom fit
- The rubberized door allows to fix sunglasses in a simple and safe way
- The beveled front edge improves the field of view while driving on cappucci and descents
- Security classification Virginia Tech 5-STAR
- The Crash Replacement warranty provides free replacement of the helmet in case of an accident within the first year of purchase
Circumference measurement
S
51 - 57 cm
20" - 22"
MM
54 - 60 cm
21" - 24"
L
58 - 63 cm
23" - 25"
Italiano
