26" Electric Bike for Adults 500W Electric City Bike Cruiser Bicycle-Max 50 Miles- 374.4Wh Removable Battery, Shimano 7-Speed and Suspension Fork, 26" Electric Commuter Bike for Adults Ebike. ★POWERFUL 500W MOTOR AND 15° CLIMB ★ --- Commuter ebike for adults boasts a powerful500W rear hub motor, enabling a top speed of 19.8 MPH.