500W Powerful Brushless Motor: Intelligence, efficient and safety are its core specials among ebikes. The stronger brushless motor of ebike with lower no-load current, provides enough power for your daily travel and experience. 48V Removable Lithium Battery:The battery is built into the waterproof bag in front of the ebike. Unzip the bag, you can remove the battery easily so that no worry about being stolen. Supporting 22-25mile ( E-Bike Mode ) to 44-50 mile ( Assisted Mode ) riding after per charge, which is enough for you to commute or play for a day. Cruise Control: Ebike & Assisted bicycle & Cruise Control Mode & Normal bike &Booster Mode. Cruise control mode make you ride without pedaling & throttle, advance at a set speed. Folding Ebike:VIVI electric bikes are easy to fold and transport, can be easily taken to buses, subways, and taxis for electric multi-modal commuting and getting rid of traffic jams. suitable for commuters who use public transportation and electric bicycles, as well as those who work with limited space. Dual Shock Absorber & Dual Disc Brakes: The electric mountain bike comes standard with puncture resistant tires, dual shock absorber and dual disc brakes ensure a shorter braking distance and your driving safety.Equipped with a 3-level power assist and professional 21 speed gears, your riding become responsive at any time and satisfies your every acceleration.