【Certified Safety and Quality】Vivi MT20UL is SGS certified to UL2849(Certificate Number: SGSNA/24/SZ/00183). 【Peak 1000W POWERFUL MOTOR】Vivi electric bike for adults equipped with a powerful 500W (Peak 1000W)motor, achieve max speed of 22 mph. Whether you're commuting every day or hitting the trails for some adventure, it's your go-to buddy. 【48V REMOVABLE BATTERY】The electric bike equipped with 48V 10.4AH removable battery to ensure a daily riding experience and performance. The range can be up to 22-25 miles in pure electric mode or 44-50 miles in pedal-assist mode after per charge, meet your commute or riding needs, it is fully charged in 4-6 hours. 【20" x 3.0 ALL TERRAIN FAT TIRE】The foldable electric bike for adults comes with 20" x 3.0 fat tires, designed for both urban and off-road adventures, offering a smooth, comfortable ride by effectively absorbing shocks and bumps. The wider contact patch ensures superior handling and control. Suitable for city streets, gravel, sand, snow and more 【EBIKE PERFORMANCE】Vivi ebike features a height-adjustable seat and adjustable handlebar, ensuring a comfortable ride even on long journeys. Equipped with the dual disc brakes and a front suspension fork, providing both safety and a smooth ride. Additionally, this adult electric bike can be easily folded and stored in the trunk of a car