Giro Helios Spherical Helmet - Matte Sapphire Size:M The perfectly judged 7-degree flare

The perfectly judged 7-degree flare

BAA0902A-01 52/33 Crown Race Reducer

where wider-range gearing and lasting reliability are key

6 deg head tube angle delivers confidence at speed

Giro Helios Spherical Helmet - Matte Sapphire Size:M The perfectly judged 7-degree flareThe 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