Highlights ★Equipped with 20"x 4.0" fat tires and 750W motor, this NXB can help you conquer any terrain by providing strong grip and motor power. ★The Samsung 48V12.8Ah large-capacity battery can reach 28-30 miles (electric mode) to 35-37 miles (pedal assist mode) when fully charged. ★The front and rear aluminum alloy disc brakes provide powerful braking whether on dry or wet roads. Power-off disc brakes can provide double security. ★The frame of the ebike is made of high-quality and updated 6061 aluminum, sturdy and durable. ★ZHENGBU provides 12-month warranty service for batteries, motors, controllers and chargers. Specification Dimensions:65 in * 23 in * 51 in Weight:66.14 lb Battery Weight:11.46 lbs Battery compartment size:16.93 in. *4.02 in. *1.69 in.