F540 4 Poles 4370KV Sensorless Brushless Motor W Cent3.175mm Shaft for 1 10 1 12 RC Car (4370KV)

Features: Suitable for 1 10 1 12 truck or crawler, etc High purity copper windings maximizes efficiency, which is resistant is high temperature. Precision design for maximum conversion of energy. Precise balanced rotor is stable, good smoothness for best reliability and maximum RPM. Magnet and bearing are high quality, providing longer service life. 4 poles 12 slots high torque motor design outputs strong power. Special design on it prevents it from dust. Specification: Material: Metal + Magnet Color: Blue Max Current: 45A 66A Max Power: 820W Motor Model: F540 Sensored: No Shaft Length: Approx. 15mm 0.59inch Shaft Diameter: Approx. 3.175mm 0.125inch Weight: 179g Type: RC Part Package Includes: 1 x Motor