SGI Rival Centurion Olive HelmetSpirit Rival Centurion Olive Helmet NB: Pinlock Insert Included Strong angular and sharp lines. The Rival boasts with an aggressive aerodynamically designed shell providing peak performance. Aesthetic and design meet velocity; the Rival is helmet craftsmanship at its finest and the eye catching Gold appearance is sure to make a statement on the road. Equipped with a direct channeling ventilation system, providing superior airflow throughout the