Specialized Propero 4 Bike Helmet bikepublish and if you to keep

and if you to keep your transitions crazy simple

Kastle's Hollowtech Evo Luminous tip glows in the dark for increased visibility during pre-dawn or late-night training missions

and improve efficiency in varied backcountry terrain

light weight and broad contact area that promotes powerful downhill performance

R01 30mm Adjustment Plate:

Specialized Propero 4 Bike Helmet bikepublish and if you to keepMeet the all new Propero 4 helmet. This helmet combines the aero advantages of the S Works Evade 3 with the ventilation of the S Works Prevail 3, all with the comfort and confidence Specialized helmets are famous for. It earned 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