Nice doing. as i know some limitation on the electric bike are you resolve that problems?
1) Availability of the recharge station
2) Quick recharge solution
3) Limits in KM
4) Fiber body
5) After all this limitation it is expensive compare with traditional vehicle.
If you are solves it out than very nice project from your side, if you are not solved it than contact me, i already solves this things. i will also contact you on ur gmail id.
Have a nice day