Abus GameChanger 2.0 Helmet - Velvet Black Small 131x26.5x27 Shimano ST-RX400-R GRX 10 speed

Shimano ST-RX400-R GRX 10 speed shift levers use a different cable pull than Shimano's 10 speed road shift levers

Included 3M reflective decals provide safety at night

Five light modes

Vivid Ultimate DH has unmatched tunability and damping for confidence in even the most technical terrain

Abus GameChanger 2.0 Helmet - Velvet Black Small 131x26.5x27 Shimano ST-RX400-R GRX 10 speedPushing faster forward Through CFD simulations, wind tunnel and track tests comes the evolution of GameChanger. A true mastery of aerodynamics, without a gram of comfort or safety sacrificed. Multi position design for optimal aerodynamics regardless of the angle of the head Unique Aero Blade structure on top accelerates windflow and adapts to different speeds and inclinations of the head Rear AirFlow Star, w enlarged outlet area 32% boosted airflow