Cleap lights

Ok its getting dark out there and I am sure that most have front and back lights, however from the side these lights are not much help. Because of this is I have added these dumb lights to my tire stems. They are cheap about 8 dollars at walmart. They turn on when the wheels go around, so it is easy to turn them off, and they work real well all of the bikers here are impressed on how much light they give off.