Bicycle lights (batteryless, No friction, No drag).
This bicycle safety flashing light system is based on a newly invented electrical generating system, NO battery needed, No friction on any parts of the bicycle. No drag. get the energy almost free (at least on bicycle). Standby light.
Details:
http://www.freelights.co.uk
This bicycle safety flashing light system is based on a newly invented electrical generating system, NO battery needed, No friction on any parts of the bicycle. No drag. get the energy almost free (at least on bicycle). Standby light.
Details:
http://www.freelights.co.uk