keywords 3-phase MCSRM Engineering Engineering, Electrical & Electronic MCSRM performance Science & Technology Technology Transportation Transportation Science & Technology bicycles commercially available permanent magnet e-bike motor commercially available permanent magnet motor concentrated-wound exterior-rotor direct-drive design process dimensional constraints dynamic torque-speed performance electric bicycle external-rotor direct drive E-bike finalised performance capabilities finite element analysis machine control machine theory performance parameters permanent magnet machines permanent magnet motors pole configuration reluctance motors rotor pole configurations rotors stators switched reluctance motor thermal analysis torque