This is the Hobbywing EZRun 1626 Sensored Brushless Motor. Designed with Hobbywings latest technology and using high quality components makes this motor an excellent choice for your next 1/28 scale build. Features: Improved top speed Precision response High efficiency with the cool operation When used with the EzRun Mini28 ESC, timing advance can be used to increase top speeds drastically. Zero cogging, consistent torque and excellent low-speed response give an amazing feel and driveability Modular detachable structure, convenient for daily cleaning and maintenance. Specifications: Kv: 5000 Poles: 2 No-Load Current: 0.5A Input Voltage: 2S Motor Diameter: 16mm Motor Length: 26mm Motor Shaft Length: 8.5mm Motor Shaft Diameter: 1.8mm Weight: 18g Application: 1/28th Mini Includes: (1) EZRun 1626 Sensored Brushless Motor (5000Kv) (1) Sensor Cable