Nite Ize SpokeLit LED Wheel Light Color:Red Size:Pack of 1 Easy-to-attach Nite Ize LED SpokeLit is ideal, eye-catching way to increase visibility and safety when riding your bike in the dark Fueled by efficient LED, device has two illumination modes, steady glow and continuous flash Press it onto spokes of your wheel and slide toward rim until fit is tight, and it then remains securely in place Shock- and weather-resistant; available in four bright LED colors; runs for 20 hours on glow mode and 25 hours on flash mode Includes limited lifetime manufacturer's warranty