One side shaft mechanics, easy for assembly. Water cooling. Applicable from 48V-72V. For application to light electric car. characteristicsOne side shaft mechanics, easy for assemblyUsing high quality NdFeB Magnet, high efficiency.Motor detachable from the rim, each for changing tyres.High torque at starting, good capacity for payloadMaintenance free, long lifeSuitable controller availableCustomized performance design availableTechnical specifications     Rated voltage             48VRated power               2.5KWMaximum power         4KWRated current               50AMaximum  current       80ASpeed without load    640rpmMaximum torque at maximum power 80N.m  

electric car hub motor 4kw