... for 4 wheel,oil brakeGear Ratio of Rear Axle6.28Motor Power (kw)4Battery Voltage (v)60Charging Time (hour)8-10Range (km ... Diameter5mBraking Distance5m max.Parking BrakeHand / rear wheel brakeSpeed ControlPedal control / automatic Power Specification Motor Permanent magnet brush DC, air cooler,60V,4KwElectric ...