--------------------------------------------------------------------------Hi Keith
I found it and yes looks like a cool system, I like it
Batteryless Bicycle bike safety LEDs lights, A non friction bicycle dynamo, generator, No battery, No friction, science DIY kit, invention, green product.
Regards
SL120 Power Backup Battery Free Lights - CycleExpress
these where the ones i had Mandy, the others look like they have wireing where these dont, some need a little bit of work for the rear ones if hub motor gets in way you have to extend the shfts..you can buy longer ones i think but easiy to make i imagine...