Giro Helios Spherical MIPS Helmet - Matte Black Size:M A tire with maximum grip

A tire with maximum grip wears quicker and rolls more slowly

and sole defend against wear

everlasting magnetic field to ensure optimum performance

Max Front Difference: 0 Teeth (made for 1x12 systems)

Chain HookTool Material: Chrome Vanadium SteelTool Body Material: Carbon Fiber InjectionMount: Mount to Ninja Master+ Series Cages with Included Cage Mount

Giro Helios Spherical MIPS Helmet - Matte Black Size:M A tire with maximum gripThe 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