Racerstar 4068 Brushless Waterproof Sensorless Motor 2050KV 120A ESC For 1 8 Cars RC Car PartsDescription Brand RacerstarItem 4068 Motor 2050KV 120A ESCWaterproof Level Splash proofMotorFeatures 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 legalMotor Specification Max Power 2200WMax Voltage 21VMax Amps 105ARotor Poles 4IO 2 3AResistance 0 0095KV RPM Volt 2050Max RPM 50000Length 68mmDiameters 40 42mm with finsWeight About 345gShaft 5mmLength of Extend Shaft 18mmConnector 6 5mm goldESC Features Specially desighed for RC car with excellent start up acceleration and linearity feartures Compatible with sensorless brushless motor The strong resistant current capability excellent heat dissipation Multiple protection features low voltage cut off protection for lithium or nickel battery over heat protection throtttle signal loss protection motor blocked protection Easily programmed and compatible with pocket sized program cardESC Specifications Model120ACont Burst Current120A 600ASuitable Car1 8 RC Car Suitable Brushless Motor 3 5TResistance0 00035ohmBattery2 6 Cell