Giro Aries Spherical Helmet - Black White Fe Sport 5 x 90 x 17

5 x 90 x 17 mmBody Material: aluminum diecastSpindle: CNC machined cr-molyPedal Bearings: sealed bearings / DU bushingsCleat System: X3 / X1E / X1 / X1F (HT exclusive system)

The optimized pad return system eliminates friction when releasing the lever

Suitable For A Wide Range Of Tyre Sizes

The new Wi-Fi function enhances the trainer's connectivity

Giro Aries Spherical Helmet - Black White Fe Sport 5 x 90 x 17A 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