Seen on the heads of countless pro cyclists, Specialized's Prevail II delivers incredible performance thanks to low weight and superb ventilation. What is it Specialized's latest incarnation of its lightweight aero racing helmet. The Prevail II builds upon the success of the its predecessor...

The Prevail II features a web of 35 ventilation ducts and air ports, but still manages to improve aerodynamics compared to its predecessor. Lowdown: Specialized Prevail II Helmet The new Specialized Prevail II helmet brings several key improvements to the already iconic traditional road...