The first light mode i made was the folowing :
http://www.youtube.com/watch?v=sao9G0sKfMk
It's nice in the night and really easy to ride with it, but the shock always destroyed the front light ...
So i made another front mod, and it's now bumper protected
I take one 2 nimh 1/3 AAA and make a small batterie connector to charge it.
The light comes with blue or wite led...