Multi-S tail light and easy wheel system, combined the both features ( Easy Wheel + TailLight ). It gives your 360 degree safety guard, use three pieces of high luminous red LED. At the meantime, it used the high transparency at 70% and hardness silicone and high lithium-polymer recharging battery. While you installed the easy wheel at the factory easy wheel’s position and power it on, That three LED will emit at 120 degree that surround the easy wheel’s silicone wheel-skin. The 360 degree safety light can be noticed by any person and car around you, and be observed by people from front/back/right/left. Make your riding being always safe at night.