7-speed SHIMANO mountain e bicycle 1.Front fork: Aluminum alloy suspension, TGS 2.PAS: Nonzero start, 3rd Gear Assisting 7-speed SHIMANO mountain e bicycle Battery24V, 10AH, LithiumMotor180W BrushlessFrameAluminum AlloyFront forkAluminum alloy suspension, TGSPASNonzero start, 3rd Gear AssistingDerailleur7-speed SHIMANOBrakeV-brakeWheel700CMax speed25km/h(pure electric)