A Bike helmet with a multi-rib structure, with three envelopes: outer shell, inner shell and separate rear casing. It has a high degree of protection. At the front is an adjustable label. It features Double Inmould technology, Monomatic tightening strap, IAS anatomic tightening system, good ventilation lining, insect screen and 17 ventilation holes. Weight - 300 g. Size: 56 - 61. Color - Black Mat.