Motor Type: QS138 90H 4KW V3 Mid Drive Motor 
Motor Design: PMSM 
Matching Tires: 12 - 19 inch 
Magnet Height: 90 hrs 
Rated Power: 4000W 
Peak Power: 13500W 
Rated Voltage: 48v - 96v 
Speed: 4800 rpm @ 72V, 7000 rpm with flux dampening 
Maximum Torque: 150 Nm 
Cooling Method. Air-cooled 
Maximum efficiency: 93% 
Thermal probe: KTY83 - 122 
Operating temperature: 70 - 120 °C, peak 150 °C 
Hall sensors: 1 set 
Phase cable: 20 mm² cross section of phase wires (excluding insulation) 
Maximum DC current: 200A 
Reduction ratio: 1:2.35 
Waterproofing: IP67 
Color: Black N.W./G. Black 
N.W./G.W.: 14.5kg/15.5kg 
Packing size: 34cm * 33cm