Just like the Altitude Carbon, the 509 Altitude Helmets now include the revolutionary Fidlock easy-open magnetic strap.
509 Altitude Helmet (XS)
![](https://motorbikegears.com/wp-content/uploads/2023/01/509-Altitude-Helmet-XS.png)
Just like the Altitude Carbon, the 509 Altitude Helmets now include the revolutionary Fidlock easy-open magnetic strap.