Thanks to the high level of comfort and effortless mobility they offer, e-bikes are becoming more and more popular every year. In 2019, there were already 5.9 million e-bikes in German households, which corresponds to an increase of 1.4 million compared to the previous year. The motorised bikes are exposed to heavy strain, but how robust are current e-bikes on the market? And how satisfied are their owners with them? A representative survey carried out by Wertgarantie has shown that, among other things, some manufacturers’s core components, chiefly the battery and motor, are fragile.