Giro Aries Spherical Helmet - Matte Black/Frequency Orange Size:M Perfect tire-fit

Perfect tire-fit

Length front fender: 519 mm

The rocker arm was optimised to interface with sprockets that have from 11 to 32 teeth

you need material that provides you with precision

Dimensions (inner Ø x outer Ø x height): 17x30x7 mm

Giro Aries Spherical Helmet - Matte Black/Frequency Orange Size:M Perfect tire-fitA 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