Description
Meet the all-new Propero 4 helmet—it brings the aero advantages of the S-Works Evade 3 together with the ventilation of S-Works Prevail 3 all with the comfort and confidence Specialized helmets are famous for earning the highest 5-Star Virginia Tech® helmet rating. Every detail of the Propero 4 was created with our equation for speed in mind. Aerodynamics + Ventilation + Lightweight = Fast. AERODYNAMICS: With extensive testing in CFD and in our Win Tunnel aerodynamics were at the forefront of the Propero 4 development. We took the aerodynamic leading edge from the S-Works Evade 3 and pulled it directly into the Propero 4—which helped it to be four watts or 15 seconds over 40km faster than our S-Works Prevail 3. VENTILATION: Drawing inspiration from our world-renowned S-Works Prevail 3 our goal was not merely to replicate but to elevate. Ventilation became a focal point in our quest for a well-balanced aerodynamic and ventilated helmet. We incorporated the rear-end design language of the S-Works Prevail 3 and introduced small 2mm offset micro-channels that create turbulence in the airflow throughout the helmet to help create a continuous refreshing flow of air. ATTENTION TO DETAIL: Beyond just aerodynamics and ventilation the Propero 4 represents meticulous attention to detail. We went the extra mile by incorporating cutting-edge technologies from our S-Works level helmets like MIPS technology for confidence and a fit system designed to deliver all-day comfort. The Propero 4 doesn't just meet expectations; it redefines them. For helmets sold in the U.S. and Canada: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. Mips Evolve Solution is a low-friction layer that allows a sliding motion of 10 to 15mm in all directions. Studies indicate that this reduces some of the rotational forces transmitted to the brain during angled impacts. Propero 4 earned the highest 5-Star Virginia Tech® Helmet Rating from internationally renowned Virginia Polytechnic Institute and State University. FS3 Fit System and Occipital Base Adjustment optimizes comfort by personalizing fit to individual head shape and helmet angle can be adjusted for compatibility with glasses. Adjustable Tri-Fix web splitter combined with thin 10mm webbing for increased comfort. Dedicated sunglass storage maintains a secure fit and keeps eyewear out of the way when needed. Micro Channeling and large rear-end vents for increased ventilation. S-Works Evade 3 front-end design language for enhanced Aerodynamics. Precision full-wrap polycarbonate shell for increased durability and premium finish.
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