hot sale LED Bike Wheel LightFeatures1.made of high quality material2.Different color for option3.The light will be off when the vehicle stos,on when it runs,and flash when you are driving at night.4.Bring more coloe to youy car.5.Bring more enjoyment to your drive.SpecificationsLED light, it is easy to use . It can be installed on the air tap of tyre, it will flash when the road wheel rolls. Matched with three AG10 button cells. The air tap can be used in British and American. Suitable for car, motorcycle, bicycle, mountain bike etc.1.Product size: 6.2 * 1.9cm 2.Package size: 12 * 7 * 2cm www.liwin-china.com