The Global is a versatile helmet that can be used for either road or mountain biking. With a detachable visor, 21 vents, and a rack and pinion mechanism that allows the ring of the helmet to tighten on the head and keep a steady position, this is the helmet of all trades. - Weight: 10.8 oz/305 g - Certifications: CPSC-ASTM-CEN - Vents: 21 - In-Mold Construction: Industrial process binding the microplastic and polystyrene together to add superior mechanical properties to these materials. - Inner Nerves: Inner frame which spreads the shock of impacts. It provides support and protection while being lightweight. - Evacuation Channels: Moisture channels providing better airflow and moisture wicking. - Spiderlock Elite: Adjustable and detachable rack-and-pinion mechanism using only one hand to stabilize the helmet on the head. It is provided with ergonomic padding. - Steplock Divider: Cam locking device to quickly adjust strap position. - Sealed Airdry Padding: Washable sealed adjustment padding for enhanced durability, ergonomic design for optimum comfort. - V-Pro System: Receptacle molded into the helmet in order to put on and off the visor as often as you wish. Plastic plugs are included to fill the holes when not used. - Global II Visor: Compatible with Global and Mundial helmets, it can be installed with the included V-Pro system.