... tires,450w motor, 48v 12ah/14ah batteries,70cc engine, Energy-saving, long-distance running Model nameHybrid scooterModel ... power unrivaled, climbingConstant temperature systemIntelligent control of the engine cylinder head temperature, ensures power system stability and durability ... also exhaust much less than ordinary dirt bike or scooter.Innovation brandController, motor and so on, five national ...