Original GoolRC S2440 4000KV Sensorless Brushless Motor and 35A Brushless ESC Combo Set for 1/14 1/16 RC Car Truck

features enhanced throttle response,excellent acceleration, strong breaks and throttle linearity.
Features:
High-torque and high-efficiency
High purity copper windings maximizes efficiency
Precision engineered for maximum energy conversion
Precision balanced rotor, smoothness for best reliability and maximum RPM
Low heat production, long lifetime, strong overload protection.
Super smooth and accurate throttle linearity
Fast response to throttle input
Mutiple protection features: Low voltage cut-off protection for lithium or nickel battery, Over-heat protection, Throttle signal loss protection, Motor blocked protection
Motor