The K.1 Pro is a multi-use, full-feature helmet with superior ventilation, Aero styling and Bell’s aggressive chin bar design and front chin gurney (Duckbill). The K.1 Pro is a great helmet for open wheel racers, closed car racers and kart racers who demand superior features including light weight, excellent fit and multiple ventilation options. The K.1 Pro can be used in an open wheel configuration with air intake (sold separately) and with a closed car configuration with top forced air insert (sold separately). The K.1 Pro is available in standard colors and the Circuit Graphic in Red or Blue