Abus Airbreaker Road Cycling Helmet - Steel Blue Size:Small Material: Nylon 1680D with PVD

Material: Nylon 1680D with PVD coated+sponge

Helps to cut down on future maintenance

Dual Mode Functionality: Easily switches between speed and cadence modes (one mode at a time)

Compatibility - Chains: HG-EV 11-speed

Ideal for riders wanting to upgrade cranksets on narrower frames

Abus Airbreaker Road Cycling Helmet - Steel Blue Size:Small Material: Nylon 1680D with PVDFeatures: In Mold for a durable connection with the outer shell with shock absorbing helmet material (EPS) Forced Air Cooling Technology: Sophisticated ventilation system for an optimal head climate Excellent ventilation with 11 air inlets and 3 air outlets connected with flow channels Flow Straps: Aerodynamic, flutter free and skin friendly thanks to specially developed strap profile Zoom Ace: Finely adjustable adjustment system with handy adjustment