... 3) 200W-500W) 4)CE certificate three wheel electric scooterPermanant magnet dc motor for electric bike. Specification:1.Voltage: 24V-48VDC2.Rotation ... max at 300mm6.Lead wire:14AWG,350mm±30mm long. 7.With pitch to 6.35mm, roller diameter of 3.3mm, 11 ... teeth sprocket.Motor diameter of 101mm, a length of 81mm, with the installation of base. 500W three wheel electric scooter