... RatioPCD hole of Wheeel hubInput installationwheel distancebrake drumMotor installed on axle directly,light weight,low power consumption,looks good,and safety ... °,Z=19980,1020,1070,1190,1280,1432,Mechanical D160 brake,hydraulic160 brake drum,hydraulic D180 brake drum,hydraulic D220 brake 5kw electric vehicle rear dana axle