75Nm Power Boost Button Experience instant acceleration with the 75Nm Power Boost Button on this high-performance electric bike. Effortlessly tackle steep hills with a boost that lets you conquer gradients up to 17.8%, making every ride an exhilarating adventure. Advanced Torque Sensor Our advanced torque sensor in this smart electric bike provides smooth electric assistance, perfectly matching your pedaling effort. Enjoy up to 20% more efficiency compared to traditional cadence sensors for a seamless riding experience. Long-Lasting Portable Battery The ENGWE L20 BOOST features a powerful 13Ah portable battery, delivering up to 126km of range in PAS 1 mode. This reliable electric bike ensures you can ride longer without frequent recharging, making your adventures last all day. Enhanced Safety Features Stay safe with integrated taillights, brake lights, and powerful front headlights on this urban electric bike. These features ensure maximum visibility, automatically activating when you brake for added security during nighttime rides. Rugged Design with Versatile Storage Equipped with a spacious front basket (up to 10 kg) and a sturdy rear rack (up to 25 kg), this utility electric bike lets you carry groceries or gear effortlessly. Plus, the 20 x 4.0 inch fat tires and front fork suspension provide superior traction and comfort on any terrain. Specs: Material：6061 Aluminum Alloy Motor：250W Brushless Motor Max Torque:75 N.m Tires:20 x 4.0 Fat Tires Battery:48V13Ah Lithium-Ion Battery Speed:25 km/h Max Mileage:126 km(The actual distance will vary due to rider weight and road conditions) Charging Time:About 6.5H Maximum Climbing degree:10° Brake:160 mm Front & Rear Disc Mechanical Brakes Transmission System:Shimano 7 Gears Display:LCD Display Bike Weight:34 kg Gross Weight:41.5 kg Package Size: 148.5 x 32 x 78cm Package Contents: 1 x Electric Bike 1 x Battery 1 x Battery Charger 1 x Toolkit 2 x Pedals 1 x User Manual