Color BlackPart Type N/AMPN N/AMaterial Aluminium Alloy, IronSurface Treatment Baking ProcessSuspension Type RearMotor Type Brushless Gearless MotorSpecific Uses For Product RoadSpecial Feature ElectricBrake Type Disc BrakePower 500WVoltage 36VWaterproof Rating IP65Rotational Speed 350rmpCable Size 1.0m/ 3.28ftDropouts 135mm/ 5.31inMax. Torque 40N.mMax. Efficiency 89%Reduction Ratio 1:1Travelling Speed 30-40km/hSuitable Bike Dropouts of 135mm/ 5.31inProduct Size(D*T) 24.2*22.5cm/ 9.53*8.86inPackage Size 30*30*30cm/ 11.81*11.81*11.81inNet Weight 5.5kg/ 12.13lbsGross Weight 6kg/ 13.23lbsFeature 1 Durable, Made of high quality material