Giro Helios Spherical Helmet - Matte Purple Haze FACTOR Cassette: Shimano CS-M6100-12

Cassette: Shimano CS-M6100-12

Compatibility chainrings: optimized for SRAM X-Range with 50-37

Flare (drop section) - 7°

compatible with advanced bottom bracket standards for smooth

Compatible with a wide array of bike styles

Giro Helios Spherical Helmet - Matte Purple Haze FACTOR Cassette: Shimano CS-M6100-12The 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