Giro Aries Spherical Helmet - Matte Flame Red FSD It is CO₂ compatible

It is CO₂ compatible

Road thread mount chainring for RED XPLR AXS power meter

It's designed for riders who value reliability

Contains Two Prong

will require a bottom bracket change

Giro Aries Spherical Helmet - Matte Flame Red FSD It is CO₂ compatibleA 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