Crazy Sutra Automotive & Accessories Blue LED Flash Tyre Wheel Valve Cap Light for car, bike, bicycle and motorcycle wheel light tire light. LED bike wheel light features motion sensors, LED’s and replaceable batteries. LED lights will turn on when the vehicle is moving and off when the vehicle comes to a stop. Screws onto the valve stem of your car, bicycle or motorcycle in seconds. Enhances safety by increasing visibility at night and during bad weather conditions.