250W brushless motor The C20 is equipped with a 250W high-efficiency motor that provides smooth and powerful power, making it easy to handle city riding and daily commuting. 48V15AH large capacity lithium battery 48V15ah power supply 18650 lithium battery, integrated frame design IP54 waterproof, double protection, strong power, always stable. Pure electric can reach 45km cruising range, assisted driving can reach 100km cruising range, providing enough power for riding and casual driving. Foldable design Fold easily, store conveniently, and take it anywhere anytime! Our foldable bikes are a perfect combination of portability and comfort, perfect for urban life and short trips.Suitable for riders with a height of 155-180cm. Durable construction puts safety first Strictly selected 6061 aluminum alloy material has higher strength, corrosion and rust resistance after T4T6 heat treatment, ensuring the load-bearing capacity of each part. LCD Display Integrated 5-level assist mode. This mode can be adjusted through the instrument button, switched from energy saving mode to high power mode, and each step can be intelligently recognized. Pedal force and rotation speed with depth sensing provide more riding comfort. 20*3.0'' Wheels Use double oil spring shock absorber and lockout front fork to provide riders with more comfort on bumpy rides. 20 inch diameter large wheel faces potholes and dirt roads, and a speed bump can be easily avoided. Tire width reaches 7.6cm, non-slip and shockproof, larger span, higher speed and less effort. 7 SPEED SHIMANO GEARBOX IMPORTED FROM JAPAN Optional imported Shimano 7-speed drive train, customized 52T aluminum alloy crank chain, after the classic tuning of front 1 and rear 7 gears, SIS positioning is durable, and 7th gear greatly increases riding pleasure. Mechanical Disc Brakes Mechanical disc brakes ensure reliable braking power of your bike and require less maintenance. Improves safety and control on every ride. Night Light System LED headlights have long beam distances. When you ride in the dark or at night, turn on your headlights and taillights to remind pedestrians and vehicles to ride safely. Specification: Brand: Cheevalry Model: C20 Frame material: Aluminum alloy Motor power: 250W Battery capacity: 48V15AH Tire size: 20*3.0 Maximum speed: 25km/h Maximum Torque:53Nm Charger:54.6V 3.0A Pure electric range: 30-50 (65kg calculation) Maximum power range: 70-150km Maximum load-bearing capacity: 130kg Applicable height: 160-195cm Charging time: 5-7h Transmission: 7 speeds Brake type: Mechanical disc brake Throttle type: Turn handlebar Minimum height of saddle from the ground: 83cm Maximum height of saddle from the ground: 98cm Minimum height of handlebar from the ground: 112cm Maximum height of handlebar from the ground: 117cm Net weight: 24.5kg Gross weight: 34kg Vehicle size : 170*40*112cm Folding size: 95*45*75cm Packaging box size: 141*24*71cm Package contents: 1*Electric bicycle 1*Battery 1*Instruction manual 1*Tool kit 1*Pedal 1*Charger