Features: 14 Pole 12 Slot hi-torque motor design. High purity and higher temperature single copper windings ---lower copper losses, very good heat dissipating--maximizes efficiency Super thin (0.2mm) stator laminations---lower eddy losses---maximizes efficiency. Japaneses NMB --High RPM ABEC5 bearings. Precision balanced rotor, smoothness for best reliability and maximum RPM. CNC machined 6061 T6 billet aluminum heatsink can. Precision engineered for maximum energy conversion.