The isinwheel U2 Electric Cruiser Bike features a 500W Motor, a Max Speed of 20 MPH, Professional Shimano 7 Speed, 26“ Tires, and a 468 Wh Battery, offering a Maximum Range up to 45+Miles with a 5 Hours Charging Time. It has an Aluminum Body, is Strong and Moisture-Proof, with a 264Lbs Max Load. It is Safety Certified with UL Certification, BMS Battery Management, and 365-day Quality Assurance.