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our focus is on strength
This is just the beginning
Then place the rubber 0-ring onto the valve stem and slide it all the way down until it meets the rim
delivering more stiffness and more control—coming in at an incredibly light 100g (50mm)
as beats per minute
Propero 4 turbokenevosl our focus is on strengthThe Propero 4 brings S Works Evade aero and Prevail ventilation together in a value road helmet. Meet 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