Hub motor kit, tMotor is proper copper winding with 5000 rpm. Special sensor inside to protect the motor from over heat.. Six months warranty on motor. Top speed 38 km/hour. Load carrying capacity 130-150 kg. 8 magnet paddle assist sensor free with the kit, which provides effort less paddling and provide extra 4/5 km mileageBig powerful head light with on/ off key. Extra connection wire available with this kit. charger is available with the box.