Giro Aries Spherical Helmet - Matte Purple Haze Size:M also compatible with other manufacturers

also compatible with other manufacturers rotors

Ekar Ergopower levers feature reach regulation adjustments

Disc: recommended: SM-RT81

Quad Lock MAG™ makes mounting your phone even faster — simply position your phone and the magnets do the rest

KICKR CLIMB blends physical grade changes with resistance changes of the KICKR Smart Trainers to take your indoor ride to the next level

Giro Aries Spherical Helmet - Matte Purple Haze Size:M also compatible with other manufacturersA 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