ES40 is built for performance and boasts an impressive 43.5-mile range at a top speed of 24 mph. Front hydraulic suspensions and rear adjustable shock absorbers allow you to complete any journey without any shakes and jitters. Age recommendation is 14 and above. Features: Range: 43.5 miles with a single charge (range varies based on terrain and weight) Top Speed: Accelerates to 24 mph in no time Max Gradient: 25% Carries up to 264.55 lbs. Front hydraulic suspension and adjustable rear spring shock absorbers Integrated brake light and turn signals 10-in. tubeless tires Designed to fit riders 3'11"-6'7" IPX5 Rating waterproofing Guangdong UTL Co. certified to UL 2272 FDNY/DCWP Fire Safety Materials