This is the Tekin Pro4 4600kV Brushless Short Course 4x4 Motor with a 5mm Shaft. Tekin's Pro4 Short Course 4X4 Brushless Motors set a new standard for 4WD short course performance with mind-blowing torque and smooth power. With specifically designed Kv ranges to complement 2S and 3S Li-Po power systems, the Tekin Pro4 delivers the power 4X4 short course requires.
Specifications:Weight: 6.75oz (193g)Shaft Dimensions: .60x .196" (15.3 x 5mm)Motor Diameter: 1.4" (35.8mm)Motor Length: 2.1" (52.9mm)Bearing Dimensions: Front: 5x13x4mm / Rear: 5x10x5Turns: 1Y
Requires: Electronic speed control such as the Tekin RX8