Abus GameChanger Helmet S 51 - 55cm Velvet Black 16'' to 20'' These EC headsets are for

These EC headsets are for frames with external bearing cups

9 Bladder included Not Compatible Volume 3L Bag Dimensions in cm 14x20x10 Color Heather Carbon Grey Primary Color Grey Volume Range 0-5L Bag Material Deniers Ripstop Nylon Laptop Storage No Waterproof Water-resistant

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} Air Shaft Solo Air - Revelation (130mm 29/27) Reba A7 130-150mm (2018+)

Abus GameChanger Helmet S 51 - 55cm Velvet Black 16'' to 20'' These EC headsets are forAerodynamics 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