Product Introduction Frame material: Aluminum alloy Shock absorbers: front and rear double shock absorbers Battery: 48V 25Ah lithium-ion battery Transmission: 7-speed Instrument: KT color LCD instrument Braking system: Front and rear hydraulic disc brakes Seat tube material: Aluminum alloy seat tube Tire: 24 inch fat tire Maximum load capacity: 330Lb Suggested user height: 67inch-75inch Range: 40-80miles.