Model UB9016EGearSHIMANO Nexus 3 speeds or Nexuw 7 speedsBrake Front:V Brake Rear:Coaster brakeMotor250W DC BrushlessBattery36V 10.4Ah LG CellMore detail Please contact us:nysales@china-cn.com : )) Hot Tags: speed sensor electric cargo bike, China, suppliers, manufacturers, factory, customized, in stock