Brake Type: Dual Disc Brakes. Colour: Black & White. Style: E-City Bike. Frame material: Carbon Steel. Material type: Carbon Steel. Number of Speeds: 7. Power source: 36V 7.8Ah Lithium-Ion Battery. Charge Time: 4-6 hours. Features: Digital Display, Rechargeable, Headlight. Dual Disc Brake, Adjustable Seat Saddle. Usage: Snow, Road, Dirt Biking, Gravel, Racing. Wheel Size: 27.5 inches. Wattage: 250 watts. Maximum Speed:25km/h (15.5miles/h). Maximum range: 50km (31miles). Maximum Load Capacity:120kg/265lbs. Powerful Brushless Motor & Battery – Our SUDOO electric bikes for adult has a powerful 250Wh brushless motor, capable of reaching a top speed of 25 km/h. Equipped with a removable 36V7.8Ah lithium-ion battery, it only takes 4-6 hours to fully charge. With pedal assist, the e-bike can travel 30-50 km. LCD Display & App Control – This 4G ebike features a smart LCD display, showing essential information like speed, distance, and remaining battery power. It can connects to the smart app (APP Name: SOODOO), enabling control over the headlight (on/off), vehicle lock, map navigation, real-time bike tracking, and bike health diagnostics. 7-Speed Gear System & Professional Brakes – This SUDOO 4G ebike is equipped with a 7-speed gearbox. The derailleur offers 7 gears in total, allowing you to choose your off-road speed needs, providing a faster and easier riding experience. High Strength Frame – Made of high-strength carbon steel, the body is not easily deformed, maintains stability, and improves riding safety. The maximum weight of the rider can reach 120 KG/265 lbs. 1 x Electric Bike. With battery, removable, w/ charger.