Motor Type: SIA138 60H 2500W Mid Drive Motor 
Motor Design: PMSM 
Matching Tires: 12-19 inch 
Magnet Height: 60 hours 
Rated Power: 2500W 
Peak Power: 6500W 
Rated Voltage: 48v-72v, 72v by default 
Speed: 3000 rpm @ 72V, 4500 rpm after weak magnet 
Max Torque: 60N.m  
Cooling method: air-cooled 
Maximum efficiency: >91% 
Thermal probe: KTY83-122/KTY84-150 
Operating temperature: 70-120 °C, peak 150 °C 
Hall sensor: 1 set 
Phase cable: 16 mm² cross section of phase wires (excluding insulation) 
Waterproof rating: IP67 
Colour: Silver 
N.W./G.W.: 11kg/ 12.79 kg 
Package size: 34 cm * 33 cm