Helmet Trek Ballista Mips Medium Purple Flip CPSC

The Trek Ballista Mips is Trek's aero road helmet, built for fast road riding and racing where aerodynamics and ventilation both matter.

• Rotational system: Mips Air system for rotational force management
• Fit: Single-lace 360° BOA fit with two height positions and three yoke positions
• Aerodynamics: Trek states a 10.1-watt saving vs. the Velocis over one hour at 45 km/h
• Ventilation: Vents and channels refined with CFD analysis
• Weight: Approx. 275 g (Trek claim)
• Details: Rubberized side vents hold sunglasses; beveled brow edge keeps the view clear in the drops