HPI Wltoys 1 8/1 10 Brushless Motor & ESC Combo Replacement, 3650 2300KV, Remote Control Car and Boat Part

3.17 5mm shaft diameter,4 pole 12 slot high-torque motor design. High purity copper windings maximizes efficiency,Precision engineered for maximum energy conversion. Precision balanced rotor,smoothness for best reliability and maximum RPM. Mutiple conservation features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation. Replacement for 1:8/1:10 HPI Wltoys Remote Control Car and Boat Part.