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/30Ah Lithium: $ 3799 72V/50Ah Lithium: $ 4799