Magnesium alloy frame, Lithium battery, Shimano gears, 36V/10Ah Lithium ... motor 2) 36V/48V 10AH lithium battery 3) Magnesium alloy frame4) Front LED light Battery:36V/48V 10AH lithiumInput ... Magnesium alloyTyre:20*1.75Rim:Al alloyFront frok:Al alloy suspensionBrake:V brakeDerailleur:SHIMANO 6 speed gearsMax speed:25KM ... ,192PCS/40GP,288PCS/40HQ electric bike with alloy frame foldable and lithium battery