Bike safely in the dark or low light and be seen by fellow bikers, pedestrians and traffic with this easy-mounting rear LED light kit. This 2 1/2" x 1 1/5" ABS, AS plastic and steel kit has separately packaged mounting hardware, so you'll be ready to ride in minutes. Choose from three modes - slow blink, fast blink or steady on. Each set includes two AAA batteries, fits most bicycle frames and comes with packaging and a retail display card. Add your organizational or company logo, emblem or message to this bright red light to customize.