This is a DUAL MOTOR ELECTRIC EBIKE. Focusing on innovating and improving. The NEW Monta X2 is here. Comes with a dual Motor, Dual Battery, and a Powerful Electric Mountain Bike. By combining our expertise in E-Bikes with the state-of-the-art components from Shimano, Tektro and other top cycling brands, we aim to bring you the best value electric mountain bike on the market. Developed from the same platform as the Monta, the most popular electric mountain bike. The aluminum alloy frame and lockable front suspension have been rigorously designed and tested. The Monta X2 is still a perfect combination of light weight, excellent off-road performance, and durability. Equipped with continuous 500W dual motors, you will be surprised by its performance in climbing hills and dealing with different (varying) road conditions. The dual Removable Samsung 48V lithium batteries allow for a longer and a more powerful ride. A built-in USB port in the battery enable you to charge your smart devices during the travel. The Shimano shifter, crank and derailleur ensure a smooth shifting between different gears. The 14-34T Mega Range Cassette makes it easier for you to climb hills and use it for off-road purposes. In addition to the thumb throttle, 5 levels of pedal-assist are designed to satisfy your needs during every single ride. As the best stopping technology in the market, Tektro disc brakes ensure your safety with an integrated brake sensor to cut off the power when applying the brake. The backlighted LCD display provides you all information that you need during the ride, such as the speed, pedal-assist level, battery level, trip distance, etc. The Monta X2 is also equipped with a LED headlight and LED rear flasher, to ensure your safety if you need to travel during the night. Features and Specs: Battery Removable 48V Samsung Lithium with USB Port Charger Output: DC 54.6V~2.0A Color Black; White Fork Lockable Suspension Fork Gear Shimano MF-TZ500-7 (7 Speed, Maga Range 14-34T Cassette) Kickstand Frame-Mounted Single Side Kickstand Lights and Signals LED Headlight, LED Rear Flasher, Electric Horn Load Capacity 150 kg Motor Dual Motors; 500W Parts Warranty 1 Year Warranty against Manufacture Defects, Up to 4000 km Pedals Wellgo Aluminim Alloy Platform Black Pedals Riding Modes 0-5 levels of Pedal-Assist, Thumb Throttle Power Speedometer Backlighted LCD Display (Brightness Adjustable), Speed, Assist Level, Battery, Travel Time, Travel Distance, Odometer, Error Code Indicator Tire Kenda 26 x 2.10 Tire (30 TPI -Tread per Inch） Rated Travel Range 90 km (48V/14Ah + 14Ah lithium); 110 km (48V/14Ah + 21Ah lithium); 130 km (48V/21Ah + 21Ah lithium); Up to 260 km with power-assist* Weight 45 kg / 100 lbs Wheel Aluminium Mag 6-Spoke Wheel ------------------------------------------------ Samsung 48V/ 14Ah + 14Ah Lithium: $ 3699 Samsung 48V/ 14Ah + 21Ah Lithium: $ 4099 Samsung 48V/ 21Ah + 21Ah Lithium: $ 4499