Giro Helios Spherical MIPS Helmet - Matte Black Size:S Contains 5 essential electrolytes: Calcium

Contains 5 essential electrolytes: Calcium

Rockshox Spring Air Top Cap - Debonair+ 35mm (0

Chain line: 43

The TK-4 features specifically-designed slots and holders for hex wrenches

The size adjustment system spans from temple to temple around the back of the head

Giro Helios Spherical MIPS Helmet - Matte Black Size:S Contains 5 essential electrolytes: CalciumThe 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