You can not talk about classic electric scooters without mentioning Emmo Monster Series. It is the E-Bike with muscles. Tested by time, loved by numerous e-bike riders, it is still the most popular E-Bike models on the market. As the upgrade version of the original Monster, the Monster S comes with LED lighting system, better hydraulic brake system, better hydraulic brake systems, air shocks and more. 72V/20Ah Lead Acid $2499 72V/30Ah Lithium: $ 3999 72V/50Ah Lithium: $ 4999 Specification Battery 72V/20Ah Sealed Gel Lead Acid‍; 72V/30Ah Lithium ; 72V/50Ah Lithium Motor 500W Continuously QS Motor Security System Remote Alarm; Remote Start; Steering Lock; Motor Lock Net Weight 105 kg Climbing Angle 30 Degrees Rear Brake Hydraulic Disk Brake Rear Tire 130/90-10 Heavy Duty Tubeless Tire Storage Front Cup Holder; Lockable Under Seat Storage; Tail Box (optional) Charging time 3 - 10 Hours Display LCD Back-Lighted Speedometer Lighting System LED Headlight, Turning Signals, Tail Light and Brake Light Load Capacity 270 kg / 600 lbs Range 35-45 km (72V/20Ah SLA); 60-70 km (72V/30Ah Lithium); 90 km (72V/50Ah Lithium)*‍ Front Brake Hydraulic Disk Brake Front Tire 130/90-10 Heavy Duty Tubeless Tire Passenger Seat Yes Off-Road Heavy Duty Tire Mud, sand or even snow, suitable for all terrain. Hydraulic Disk Brakes Better stopping technology, better control of your bike. Gas Charged Suspension System More comfortable, better control when turning or braking.