-4Pole 12 Slot Hi-torque Motor Design -CNC Machined 6061 T6 Billet Aluminum Heat sink Can -High Purity Copper Windings Maximizes Efficiency -High RPM ABEC5 Over sized Bearings -Universal fit,fits all 1/8 brushless cars multi-mounting system for M3screws -Precision balanced rotor,smoothness for best reliability and maximum RPM -Stator - Super Thin (0.2mm) Laminations -Removable/Replaceable Rotor -Precision Engineered for Maximum Energy Conversion