They have two wheels and can get you from one place to another with no effort, and they are taking Europe by storm.
They are electric-powered bicycles, which are being built with the help of the multinational firm Daimler Benz.
The bikes, which cost as much as $5,000, only help cyclists pedal if they want them to, but their motors can effortlessly push up to 45km per hour.
Al Jazeera's Nick Spicer reports from Berlin.
Source: Al Jazeera