Model: 20F054, Motor: 250W 36V rear DC motor, Battery: 18650 36V 10AH Lithium-ion battery, Charging time: 5-6 hours, Battery Range: 50km-55km, Maximum Speed: 25km/h, Optimal Speed: 20km/h, Climbing Angle: 30°, Wheel Diameter: 20”, Frame Material: Aluminum Alloy, Folding Stem: Yes, Digital Display: Yes, display for speedometer, odometer, time, light, battery life, Riding Modes: 3 Modes(power mode, cycle mode, moped mode), Transmission Gears: 7-speed gears, Brakes: Front & Rear V Style Brakes, Headlight: Bright LED light, Max User Weight(Weight Capacity): 120kg, Suitable Ages: 16-65 years old, Waterproof Level: IP54, Operating Temperature: -10°C-45°C, Charging Voltage: DC 42v, Input Voltage: AC 220v, Adjustable Seat Height: 70cm-110cm, Adjustable Handlebar Height: 103cm-117.5cm, Unfolded Bike Length: 153cm, Handlebar Length: 63.5cm, Folded Size: 87cm x 36cm x 73cm, Product Weight: 20kg