Viper cycle lightscycling is becoming more and more popular with it being cheaper and more healthy to ride your bike than to get in the car even though its becoming more popular its still dangerous and its imperative to have good bike lights even during daytime a good light can save your life many times overthe viper cycle lights come as a pair one for the front and one for the rear the black viper is for the rear as it emits red light and the white is for the front as it gives white l