goolrc 3650 3930kv 4p sensorless brushless motor for 1/10 rc racing car off-road truck goolrc <br /><b>features:</b><br /> 4 poles 12 slot hi-torque motor design.<br /> cnc machined 6061 t6 billet alumium heatsink can.<br /> high purity copper windings maximizes efficiency.<br /> high rpm abec5 oversized bearings.<br /> universal fit all 1/10 brushless cars-multi-mounting system for m3 screws.<br /> precision balanced rotor, smoothness for best reliability and maximum rpm.<br /> stator - super thin (0.35mm) laminations.<br /> removable/replaceable.<br /> precision engineered for maximum energy conversion.<br /><br /><b>specification:</b><br /> rpm: 3930kv<br /> max current: 60a<br /> max watts: 820w<br /> can size: 3650<br /> sensored: no<br /> can diameter: 36mm<br /> can length: 50mm<br /> shaft diameter: 3.175mm<br /> shaft length: 15mm<br /> weight: 147.8g/5.2oz<br /> max voltage: 7.4v(2s)-11.1v(3s)<br /> package size: 10 * 8 * 6.3cm/ 3.9 * 3.1 * 2.5in<br /> package weight: 178g/6.3oz<br /><br /><b>package list:</b><br /> 1 * 3650 3930kv 4p brushless motor