Racerstar 4076 Motor Brushless Waterproof Sensorless 2250 2000 1700KV 1 8 RC Car PartDescription Brand RacerstarItem 4076 MotorFeatures 4 pole 12 slot hi torque motor design CNC machined 6061 T6 billet aluminum heatsink can High purity copper windings maximizes efficiency High RPM ABEC 5 oversized bearings Universal fit fits all 1 8 1 10 brushless cars Precision balanced rotor smoothness for best reliability and maxium RPM Stator super thin 0 2mm laminations Removalbe replaceable rotor Precision engineered for maxium energy coversion ROAR legal Specification Max Power 2800WMax Voltage 23V 1700KV 21V 2000KV 18V 2250KV Max Amps 135ARotor Poles 4IO 2 3AResistance 0 0079KV RPM Volt 2250 2000 1700KV Max RPM 50000Length 76mmDiameters 40 42mm with finsWeight About 405gShaft 5mmLength of Extend Shaft 18mmConnector 6 5mm goldWaterproof Level Splash proofNote Racerstar 4076 motor usually work with 120A ESC For more information please click here Package Included 1 x Motor