The 26 inch Wheel Aluminum Alloy Frame Mountain Bike Cycling Bicycle Black is With multi-color LED light, can flight in the dark at night. The Features of the bicycle has 3 types to riding: Booster riding, Pure electric riding and Pure human riding. It is 21-speed transmission Gear shift system! The Front Fork is High-strength carbon steel comfort shock absorption! The electric bike is a bike that will get you where you need to go, and allow you to have a little fun along the way. Ultra Lightweight Material---The E-Bike adopts 100% aluminum alloy frame, the front fork is made of high-strength carbon steel and packed with premiums comfort shock absorption. The Aluminum Alloy frame light, strong and designed to last, makes it easy to maneuver. Aluminum Alloy double-walled rims are for greater durability as well as faster ride with less drag. Equipped with powerful 350W Motor: The mountain ebike is equipped with 350W high speed brushless motor, providing more than enough to power your daily commute, a cruise on the mountain, or a meander along your favorite trail. With speeds up to 20 mph, It will get you there swiftly. 8 AH Removable Lithium Battery & Ne w-Quick Charge Technology---Equipped with large capacity 8 AH Removable Lithium Battery, you can re ach a range of up to 28-32 miles at topes speed 20mph per charge. Plenty for a day adventure or most trips to travel and back. You can charge the battery on/off the ebike by your convenience. Equipped with smart lithium battery charger. Easy charge system need only 3-5 hours. Brake & Gear Shift System---With front and rear disc brakes and 21-speed transmission system, perfect brakes fully protect your safety.21-Speed gear increases hill-climbing power, further range variation, and greater terrain adaptability. Ergonomic Design---Ergonomic handbag, adjustable seat and RST, anti-slip and wear resistant. And the LED handlebar display design let you can check the battery life, turn on the headlight, honk the horn, accelerate, brake all from the handlebars. The lightweight and efficient design help to travel further and save energy. 3 Working Model for Your Choice: E-bike & Assisted bicycle & normal bicycle, you can choose the E-bike to enjoy a long time travel, and also exercise. Combining two modes would be a better choice. Specification: Brand: Generic, Frame Material: Aluminum, Handlebars: Aluminum Alloy, Color: Black, Meter: LED 3-speed smart meter button, Dimension: 21 inch, Number of Speeds: 21 Speed, Full Length: 160 cm/ 63 inch, Wheel Diameter: 63 cm/ 24.8 inch, Seat Size: 26 x 17 cm/ 10.2 x 6.7 inch, Handlebars Length: 60cm/ 23.6 inch, Lithium Battery Size: 8.5 x 8 x 35 cm/ 3.1 x 3.3 x 13.8 inch. Basic information: Net weight: About 23kg/50lbs. Battery weight: About 2.7kg. Battery Capacity: 36V 8.0AH. Mileage: 28-32miles. Lithium Battery: 36V. Charger: Smart Lithium battery charger. Charging time: 4-6 hours. Motor: 36V 350W high speed brushless gear motors. Load capacity: 160kg. Maximum speed: 20mph. Package Content: 1 x Electric Bike (with accessory).