Giro Helios Spherical Helmet - Matte Frequency Blue Size:M Di2 Wireless-Chip: Yes

Di2 Wireless-Chip: Yes

which has enough power to support you through the longest descents

high-performance

Matches with a race bike

Giro Helios Spherical Helmet - Matte Frequency Blue Size:M Di2 Wireless-Chip: YesThe 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