Starting from the front of the bike Led bike lights or headlights, one can understand how vast the field of Led bike lights is and the various purposes they are used. Normally, head Led bike lights consist of about 21 Led lights, which are capable of producing together about 13000 lumens. They can last about 110000 hours. Normally, head Led bike lights are available in three categories depending on the internal amount of bulbs. One type consists of 3 led bulbs and the second type includes 8 led lights. The maximum luminance output is with the one with 21 bulbs. The material used for bike headlights are mostly plastic. They get their energy from AAA batteries. Then comes the tail led bike light. More often, tail bike lights consist of five Led lights. Two AAA batteries are enough to power tail Led bike lights and they are made of ABS. Installing and removing of tail led lights are simple. The Led bike lights that are multifunctional are also available in the large size. They normally consist of three Led lights and are easy to install and remove. They are made of aluminum to make them more durable than other type of led bike lights. The multipurpose Led bike lights can be fixed to a bike as well as usable separately when needed. Most type of Led bike lights can be used for other purposes as well. They are like personal flashlights that can be transportable easily. They can be re-fixed any time a user need them on the bike. Installing them is an easy task due to their easy fix accessories. In addition to head led bike lights and tail end led bike lights, many other smaller varieties of bike lights for decorative and safety purposes are also available at present. Led bike lights are economical than other type of bulbs due to their structure. They are made with tiny bulbs that consume very low power and are integrated to output maximum illumination. The technologies of Led lighting systems are advancing rapidly. People use led lighting system for various purposes at present. Car led lights, led lights for entertainments, educational purposes, researching activities are but a very few in the field that use led lights. One such advancement is Led bike lights. Like every other aspect that reign nowadays are the led lights, Led bike lights is here to stay and improve to suffice for illuminating every corner of the path and beautifying appearances of bikes as well.