Global Electric Bike Market Size study, by Type (Pedal Assist, Throttle On Demand, Speed Pedelec, Moped or Motorcycle), by Battery Type (Lithium Iron Phosphate, Lithium Ion, Nickel Metal Hydride, Lithium Polymer, Lithium Titanite, Others), by Conversion Kits Type (Hub Motor, Mid Drive, All-in-One-Wheel, Friction Drive) and Regional Forecasts 2018-2025