Introducing the new Propero 4 helmet - the aerodynamics of the S-Works Evade 3 combined with the extraordinary ventilation of the S-Works Prevail 3, plus the comfort and reliability of all Specialized helmets, and the 5-star rating from the Virginia Tech Institute ®. Every detail of the Propero 4 was designed with the equation of Aerodynamics + Ventilation + Lightness = Speed ​​in mind.

AERODYNAMICS: In the development of the Propero 4, aerodynamics was the starting point, and to this end we carried out extensive CFD and in-house wind tunnel tests. With the profile inspired by the S-Works Evade 3 we already gain 4 watts, or 15 seconds over a distance of 40km.

VENTILATION: Taking inspiration from the S-Works Prevail 3 helmet we achieved our goals in terms of quality. We have incorporated the rear vents of the S-Works Prevail 3, and have introduced 2mm micro-channels that create turbulence in the airflow through the helmet, thus creating a continuous and refreshing passage of air.

ATTENTION TO DETAIL: In addition to aerodynamics and ventilation, the Propero 4 is characterized by meticulous attention to detail. We have applied cutting-edge technologies such as MIPS and a sealing system designed for comfort. The Propero 4 goes beyond expectations.

• Mips C-Solution technology
• In the Virginia Tech® Helmet Rating™ scale of the Virginia Polytechnic Institute and State University, the Propero 4 obtained 5 stars, the best rating.
• The FS3 sealing system and occipital base adjustment allow fine adjustment to the individual head shape. The position angle of the helmet can be changed for compatibility with glasses.
• TriFix strap system for optimal comfort.
• Possibility of inserting glasses.
• Thin straps, 10mm wide.
• Large rear vents and internal micro-channels for maximum ventilation.
• Precision, full-wrap polycarbonate shell for increased durability and premium finish.
• Very resistant polycarbonate shell with top quality finish.