Bell helmet is a lightweight multi-purpose helmet featuring aggressive styling, comfortable fit and outstanding ventilation. Vortex.2 is always up to the challenge and can be used in any style of racing. The Vortex.2 offers high-end features and performance at an affordable price. In addition, the Vortex.2 features our new SRV friction shield system*. This new system has a slide mechanism that allows the driver to adjust the tension on the shield allowing for multiple opening positions. When properly adjusted and in the locked position, the SRV system helps reduce the possibility of the shield opening during an impact Storlek S 56