Abus GameChanger Helmet S 51 - 55cm Velvet Black MFPN=8022674 By extending the reach of

By extending the reach of the handlebars

chain retention

What we want to avoid are any inefficient directional movements

HRM-Fit sends pace and distance to your compatible watch

Clamping Diameter:

Abus GameChanger Helmet S 51 - 55cm Velvet Black MFPN=8022674 By extending the reach ofAerodynamics 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 TECH SPECS Size S Helmet