Electric Bicycle Minimum Specifications 48V 750W Brushless Rear Hub Motor Battery Samsung 48v 19.6ah lithium-ion Frame 6061 aluminum alloy with internal battery Weight limit at least 350lbs Green all one color Comfort leather seat Twist Throttle Crankset 48T double sided aluminum alloy LED Display with ability to display the functionality of the bike motor 5 level speed sensor Pedal assist Chain stainless chain Kickstand No Spokes tires, 20x4.0 puncture proof fat tire with extra tread for off-road use Handlebars aluminum alloy 31.8mm 680mm Fork 110mm adjustable suspension Cassette 714-28T shimano 7 speed Brakes tektro HD-E350 hydrolic disc brakes Full fenders Mirror, one mirror mounted on handle bars Front headlight and back brake lights Include rear rack SensorTorque Sensors SpokesFront 12 and Rear 12 Gauge Charger 48v 3.0A 100-240v Warranties 2 year electric warranty 10 year manufacture frame warranty