Giro Helios Spherical Helmet Size:M 55-59cm providing superior durability

providing superior durability

SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design

As the trend for lower and slacker bikes continues

The Graphene-infused compound boosts rolling efficiency on the center strip and adds predictable

whatever your chosen path

Giro Helios Spherical Helmet Size:M 55-59cm providing superior durabilityThe 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