If you don't like a lot of attention, don't do it. However, if you want to be a nocturnal person, these lights can illuminate for you. Some users who have purchased feedback say that after installing on the bicycle wheel, you don't need to run so fast, still get full animation. Even if you do not install two together, bicycles will still be a random number of wonderful and interesting animation effects appear.
When you decorate your bike, everyone can see you, especially from the side. It allows more people to notice you, you also increase the safety of riding a bicycle at night.
Bicycles are not just your tools, but your fashion.