With a tapered HPC (High Performance Composite) shell available in 2 different sizes and a set of variable density EPS, ST.501 enhances the pleasure of driving and is the ideal companion for any journey. The ventilation system that channels the air flows inside the shell ensures the maintenance of an optimal temperature even in the hottest months and the large quick release visor allows you to have maximum control over every detail. Always ready to seize every opportunity, ST.501 is Bluetooth-Ready, Integra the Sun Screen Visor system, Pinlock and Stop Wind included which make it ready to tackle the most challenging journeys. Extra-wide visor with wide field of vision for active safety and pinlock 70 lens for maximum comfort and safety More than 200,000 quality spare parts and accessories.