Abus Urban-I 3.0 Helmet S 51 - 55cm Velvet BlackAbus Urban I 3. 0 Helmet Velvet Black Small. The Urban I 3. 0 features a modern and dynamic shape and an updated visor design. Safety is the key with integrated reflectors and a LED taillight at the back ensuring high visibility of the cyclist during the day and night. In Mold for a durable connection with outer shell Anatomic padding Zoom Ace Urban adjustment system with full ring construction and a non slip adjusting wheel Large integrated LED