Specialized Propero 4 Helmet Size:M Armrest: Ergo/10mm pads

Armrest: Ergo/10mm pads

polyester fabric that is both moisture-wicking

Convenient drive-up ramp for electric bikes (sold separately)

Pure racer

The ultimate evolution in cotton tyre performance

Specialized Propero 4 Helmet Size:M Armrest: Ergo/10mm padsMeet 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