Bicycle LightBike lights are small, compact lights specifically designed to be easily mounted to your bike. They can help you be seen by drivers, and they help you see where you’re headed on the road, path, or trail when riding in low-light conditions or after dark. Front bike lights shine white just like the headlights of a car. Rear bike lights or bike tail lights are red in color and help a rider be seen from behind. Both are typically powered by replaceable or rechargeable batteries.