• 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

http://www.amazon.com/Nite-Ize-Spokelit-Bicycle-Disc-O/dp/B001TKFZ7S/ref=sr_1_1?ie=UTF8&qid=1446077775&sr=8-1&keywords=spokelit