An electric bicycle, also known as an e-bike, is a bicycle with an electric motor used to power the vehicle.
Any bicycle or tricycle with a low-powered electric motor weighing under 100 pounds, with a top motor-powered speed not in excess of 20 miles per hour.
A man's slip-on patent leather shoe for formal wear
deliver forth; "pump bullets into the dummy"
A light shoe, in particular
A woman's plain, lightweight shoe that has a low-cut upper, no fastening, and typically a medium heel
a mechanical device that moves fluid or gas by pressure or suction
operate like a pump; move up and down, like a handle or a pedal; "pump the gas pedal"
Free air
Electric bicycle pump for all to use without charge.