eZip 2008 Trailz Women's Electric Comfort Bike (26-Inch Wheels) Women's electric comfort bike with 450-watt DC earth magnet motor Range of 15 to 22 miles per charge; top speed of 15 miles per hour Easy-to-use twist throttle and Shimano 7-speed gearing Currie E-Ride 26-by-2-inch street comfort tires; easy-access charging port Designed for young adults and adults; 240-pound weight capacity