Specialized Propero 4 Helmet Color:White Please ensure the application surface

Please ensure the application surface is thoroughly cleaned and dry before applying the adaptor

Precision - engineered for performance

CNC machined chain rivet extractor with ergonomic handle  provides superior strength

on-the-fly micro- adjustments

For the closure

Specialized Propero 4 Helmet Color:White Please ensure the application surfaceMeet 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