KingVal Replacement F540 4370KV Waterproof Brushless Motor Shaft 3.175mm with 45A Brushless ESC Combo Compatible with 1/10 RC Car

Features: *4 Pole 12 Slot Hi-torque Motor Design *CNC Machined 6061 T6 Billet Aluminum Heatsink Can *High Purity Copper Windings Maximizes Efficiency *High RPM ABEC5 Oversized Bearings *Universal fit,fits all 1/10 brushless cars-multi-mounting system for M3 screws *Precision balanced rotor,smoothness for best reliability and maximum RPM *Stator - Super Thin (0.35mm) Laminations *Removable/Replaceable Rotor *Precision Engineered for Maximum Energy Conversion Specification: Brand: KingVal Product: F540 KV(RPM/Volt): 4370 Watts: 820 Max Voltage: <12V Max Amps: 66A Rotor Poles: 4 IO: 3.2A Resistance: 0.0185 Max RPM: 50000 Shaft: 3.175mm Length of extend shaft: 15mm Connector: 4.0mm gold N.W: 148g ESC Specification: Con.Current/Burst Current: 45A/240A Motor type: Sensorless Brushless Motor for 2S Lipo or 6 cells NiMH: 1.on-road: 3650-size or smaller motor with the KV<5600 2.Off-road/Buggy/Monster: 3660-size or smaller motor with the KV<3800 for 3S Lipo or 9 cells NiMH: 1.on-road: 3660-size or smaller motor with the KV<3800 2.Off-road/Buggy/Monster: 3660-size or smaller motor with the KV<2600 Suitable Car: 1/10 car Resistance: 0.0014ohm Battery: 2-3 cells Lipo/4-9 cells NiMH BEC Output: 5.8V/3A(switch mode) Dimensions/Weight: 51.5x38.5x38.5mm/76g Package List: 1 x F540 Waterproof Motor 1 x 45A ESC