About this item High performance motor: the high-speed brushless motor of KETELES e-mountain bike is powerful, the maximum speed is up to 25 km/h, and you can also set a higher speed, whether you are riding on the city road or on the mountain, snow, beach, it can provide you with enough power to ensure you get an excellent off-road driving experience. Long-lasting battery in all weather conditions: the upgraded waterproof and removable lithium-ion battery for the electric bicycle 48V 23Ah is equipped with an intelligent BMS system. The pure electric range is 80 km to cover the pendulum circle, and the Pas mode is 120-140 km to reach the surrounding cities. The 4-6-hour fast charge supports daily commuting needs. Mileage varies depending on road conditions and human weight. Pendulum safety configuration K880 commuter bikes, hydraulic disc brakes front and rear ensure emergency brake safety on rainy days, LED headlights with high brightness penetrate the winter rain and fog, professional 7-speed transmission adapts to sudden road conditions; reinforced rear shelf with 25 kg (shopping/briefcase), with a British standard theft lock to reduce the pain point of the road. One release. LIGHTWEIGHT FRAME & SMART MODE The electric bike for adults is rustproof and weather resistant and adapts to the rainy climate; Four riding modes can be switched freely: pure electric mode for zero physical commuting, power controlled mode for energy and labor saving, traditional pedal mode for flexible exercise and cruise control mode for hands free, especially suitable for long distance driving on wavy roads. Smart LCD display: the LCD display on the KETELES e-bike provides the rider with the most important information (including kilometers, driving speed, speed class, power indicator, headlight symbol).5 speed classes (1-5) and professional 7-speed slider ensure a safe and good driving experience on different terrain. Delivery and service: We will deliver the e-bike immediately after receiving your order and make sure the package is in good condition. 85% of the e-bike you receive are assembled, the rest can be easily assembled according to our assembly video/instructions. If you have any questions, please contact us. We will get back to you within 24 hours.