The lightweight Abus AirBreaker claims closed helmet aero gains & open design ventilation. Riding the new road helmet, I'm impressed by its fit & comfort.
ABUS Airbreaker Road Helmet – UAEcycle
Review: Abus AirBreaker road helmet blends aero, lightweight & great cooling - Bikerumor
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Review: Abus AirBreaker helmet
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Bike helmet, AirBreaker, for road cycling
Review: Abus AirBreaker road helmet blends aero, lightweight & great cooling - Bikerumor
Review: Abus AirBreaker helmet
Review: Abus AirBreaker helmet
Bike helmet, AirBreaker, for road cycling
Bike helmet, AirBreaker, for road cycling