ABUS GameChanger

- Aerodynamics redefined
- Multi position design for optimal aerodynamics regardless of the angle of the head
- Forced Air cooling technology for a clever ventilation system and optimal head temperature
- Aerodynamics Flowstraps, flutter-free and skin friendly
- Eyewear port: Aerodynamics bracket at the back for glasses with temple channels
- ZOOM Ace fine 3D-adjustement system with handy dial for personalized fit.
- Ponytail compatible

Sizing
- Small = 51-55cm / 260g
- Medium = 52-57cm / 270g
- Large = 57-62cm / 290g