The K.31 Crono is a lightweight, aerodynamic time trial helmet whose shell is made from silk-screen processed polycarbonate on the outside and polystyrene on the inside. The helmet comes in one universal size, but its UP-N-DOWN adjustability allows you to customize it for your ideal fit.
Nape-guard with non-slip rubber coating
Nylon thermo fixed straps with reflecting strips and quick release buckle
Chin pad is made from non-allergic imitation leather which improves wearing comfort and eliminates skin irritation
Inner padding is made of two layers of CoolMax and the open cells filter, removable and washable
External ear protection in made of smooth Coolmax, removable and washable Smooth rubberized edges of the external shell
Weight: 280 g
Comes with its own carry bag
100% made in Italy
53 - 61
6-5/8 - 7-5/8
21 - 24
XS - XL
German engineered the Kask aerohelmet is the most advanced in the world.