our hub motor provides long working life, excellent performance characteristics, high torqure and low noise It is a excellent brushless motor with low price and high efficiency(more than 80 percent).This motorized wheel can be used in many applications like electric wheelbarrows,heavy duty power wheelchairs and so on  

modei:	JD-BLM-004
outer diameter(mm)	400
power(w)	500-1000
voltage(v)	36/48
efficiency(%)	80
weight(kg)	11.3

 characters:Large power: variable from 500W to 1000WSpeed ranges: 4kph to 6kph with the throttleVoltage: 36v/48vDifferent tire width available as clint's requirementPowerful climbing abilitywaterproof and dustproof1year warranty