Specialized Propero 4 - Sandstone Metallic Neco That's why we created our

That's why we created our durable

While out on the dirt

The pivoting two piece design offers multiple mounting positions based on aero bars

The BUZZYBEE H4 Is Entirely Suitable For Carbon Frame Bikes

Specialized Propero 4 - Sandstone Metallic Neco That's why we created ourMeet 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. 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