Features:

★4Pole 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

★Stator - Super Thin (0.2mm) Laminations

★Removable/Replaceable Rotor

★Precision Engineered for Maximum Energy Conversion

Specification:

Rotor poles: 4

Product: 550

KV(RPM/Volt): 3500

Max voltage: 14V

Max amps: 85A

Max power(W): 1200W

Item weight: 400g

Item size: 55 * 36mm

Idle current:2.5A

Max RPM: 50K

Shaft diameter: 3.175mm

Shaft length: 17mm

Connector: 4mm banana plug

Package List:

1 * 550 Sensorless Brushless Motor

Note: 550 sensorless brushless motor has 2type, one is DIA 5MM shaft;the other is 3.175mm.