electric bicycle
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A bay of electric hire bikes in Fort Lauderdale, Florida
An electric bicycle, e-bike, electrically assisted pedal cycle, or electrically power assisted cycle is a type of a motorized bicycle with an integrated electric motor used to assist propulsion. Many kinds of e-bikes are available worldwide, but they generally fall into two broad categories: bikes that require the rider's pedal-power (i.e. pedelecs) and bikes that control the motor with buttons or a twistgrip, integrating moped-style functionality. Both retain the ability to be pedaled by the rider and are therefore not electric motorcycles. E-bikes use rechargeable batteries and typically are motor-powered up to 25 to 32 km/h (16 to 20 mph), some to 45 km/h (28 mph).