4 Pole 12 Slot Hi-torque Motor Design.Cnc machined 6061 T6 Billet Aluminum Heatsink Gan.High Purity Copper Windings Maximizes Efficiency.High RPM ABEC5 Oversized Bearings.Universal fit, fits all 1/10th,brushless cars-multi -mounting system for M3 screws.Precision balanced rotor, smoothness for best reliabilityand maximum RPM.Stator-super Thin (0.35mm) LaminationsRemovable / Replaceable RotorPrecision Engineered for Maximum Energy Conversiontype: 5200KVcolour: black + silverMaterial: metalPackage Contents:1 x Sensorless MotorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.