ABUS Viantor Racing Bike Helmet Sporty Bicycle for Beginners Women and Men Yellow, Size M

Entry-level helmet in professional quality: High-quality road bike helmet with durable combination of EPS and multi-piece outer shell - customised fit thanks to Zoom Ace adjustment system with precise adjustment wheel Safe at high speeds on the bike: reliable head protection thanks to ActiCage - with structural reinforcement in the EPS for optimum stability Coordinated ventilation system: good ventilation thanks to 4 air inlets and 14 air outlets connected by flow channels Details: Unisex helmet for adults - size in centimetres corresponds to the wearer's head circumference