Giro Aries Spherical Helmet - Matte Black drumbeat21-2320 using a single bolt for

using a single bolt for a secure fit and easy storage of your bike

Gravel & Road Handlebars with a larger than 17mm inside diameter

75" (95 mm)

and excellent side visibility

The all-new Genius is the ultimate trail bike

Giro Aries Spherical Helmet - Matte Black drumbeat21-2320 using a single bolt forA helmet that feels like it isn't there: the all new Aries Spherical is like nothing before. Its sleeker form and lighter weight (only 270 grams in size medium, CE certification), deliver sensational comfort and cooling power. Spherical Technology our ball and socket design powered by Mips adds protection by redirecting energy away from the brain in certain impacts, and Progressive Layering with dual densities of Nanobead EPS foam adds more