Aosom 6-Speed Folding Electric Bicycle - Forest Green w/ 20" Wheels 59" folding bicycle with 20" wheels for smooth, effecient riding 6 level speed variation with power assist mechanism, front and back disc brake and front LED light Height adjustable seat and handlebar with 220lb weight capacity to fit different body types 36V 9Ah battery with 250W to get you where you need to go quickly Maximum drive distance of 25 miles with a Charge time of 6-8 hours