Conquer that hill and grin big as you activate your new super powers! The compact & lightweight 250W motor provides a top speed of 16 mph at the push of a button. New features this year include an easy to remove water bottle battery, a battery lock, disc brake compatible hub, a USB charging port for your phone, a thumb throttle that allows you to control how much power the motor gives you, a higher efficiency Hilltopper motor that gives more torque for energy used, and an upgrade to 36 volts. This is the original Hilltopper that started the e-bike revolution, updated for 2022. Rugged. Simple. Awesome!