The kask mojito road bike helmet has been designed to give you excellent aerodynamics ventilation comfort and protection in one of the lightest packages on the market at just 220g this is one of the lightest helmets available and with the features it packs it39s not hard to see why it39s the helmet of choice for the professional sky team riders kask have used in moulding technology and their own mit technology which covers the shell in a layer of polycarbonate for the best