I ran across these neat little lights that screw on to tire stems. Apparently, when the wheel spins the centrifugal force overcomes a spring and the circuit is completed.
Tireflys
I think I'll have to get some for my 5 year old's bicycle, not to mention my own ride. /ubbthreads/images/graemlins/grin.gif
BC
Tireflys
I think I'll have to get some for my 5 year old's bicycle, not to mention my own ride. /ubbthreads/images/graemlins/grin.gif
BC