Specialized Propero 4 Helmet Size:M optimizing your range management and

optimizing your range management and performance

Engineered with Body Geometry technology

The Factor O2 VAM is what happens when you stop choosing between light and fast — and demand both

polyester fabric that is both moisture-wicking

Armrest: Ergo/10mm pads

Specialized Propero 4 Helmet Size:M optimizing your range management andMeet the all new Propero 4 helmetit 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