Giro Helios Spherical MIPS Helmet - Matte Black Size:M Suitable for a tube diameter

Suitable for a tube diameter of 8-16 mm

including mountain bikes

15") and tire width up to 2

and sole defend against wear

Giro Helios Spherical MIPS Helmet - Matte Black Size:M Suitable for a tube diameterThe heart of the Helios's extraordinary design and performance is Spherical Technology, which utilizes a ball and socket design powered by Mips, the market leading brain protection system that can help to reduce rotational forces. Spherical Technology allows the helmet's outer liner to rotate around the inner liner during a crash, and also allows Progressive Layering of the inner and outer liners to provide more comprehensive protection and