1.The 450M motor features shelterless design to create the advantages of heat release and low temperature variant. The extended diameter for the rotor make it even more efficiency and high torque output. 2.The 450M motor armature had a special balance adjust to improve the serious shaking problem that other tiny motors have. 3.Maintenance free, high torque, high efficiency, low temperature variant, stable and quiet. 4.Japanese made high-speed ball bearings, powerful magnetic outrunner rotor.
