SKYRC Leopard 4370KV 9T Brushless Motor+60A ESC Speed Controller Combo ME720 Full Version Apps Edition for 1/10 RC Car Truck 1. Rotational Speed: 4370 KV 2. Turns of the Motor: 9T 3. Max. Amps: 48A 4. Resistance: 0.0125ohm 5. Motor Dimensions (Diameter x Length): 35.8mm x 50mm