eZip Currie Women's Coastline Electric Bike 450w of power from a DC Earth magnetic motor Versatile TAG/PAS system for added versatility Ranges up to15-22 mi (24-35 km) per charge on PAD mode with normal pedaling - can be doubled with optional battery pack - rider weight contingent Patented Currie Electro-Drive system; Shimano rear derailleur, SRAM grip shift, 7-speed drivetrain Suitable for young adult to adult; do not exceed 240 lbs (109 kg)