Propero 4 Colour:Dark Navy Metallic it is easy to have

it is easy to have on hand for whenever it is needed

and BOA® Fit System featuring FS1 deliver confidence and comfort on long rides

and is fully adjustable to fit electric and regular mountain bikes

With its High Performance Carbon and aluminium frame

Propero 4 Colour:Dark Navy Metallic it is easy to haveMeet 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