Zero Motorcycles (http://zeromotorcycles.com) are a world leader in electric motorcycles. No clutch. No gears. No maintenance. Their Z-Force motor features a single moving part, no messy fluids, no clutch, no transmission, no maintenance. You can watch more of the Zero Motorcycles for example here: https://www.youtube.com/watch?v=zb0cdLiM0mc
Interviewed at the IDTechEx Show! USA http://IDTechEx.com/USA
