Bell Star Pro Shield Helmet

Description 

Faster at all coststhats the idea behind the Star Pro, a game-changing aero road cycling helmet that gives riders the power to optimize performance on the fly in ever-changing race situations. Switch from full ventilation on climbs to wind-slicing aerodynamics in the sprints and flats. This groundbreaking Active Aero technology can be engaged with the simple slide of a button. Even the adjustable strap yokes are optimized to save 9 watts in the wind tunnel.