Folding bikes are designed to be convenient and portable, and they are not more likely to break than a standard road bike (source: [Foldandride.com](https://foldandride.com/do-folding-bikes-break-easily-what-to-watch-out-for/)). While some folding bikes may break easily due to a certain weight capacity or low-quality materials (source: [Bikeglossary.com](https://bikeglossary.com/do-folding-bikes-break-easily/)), most of them are structurally robust and tend to have a long life expectancy (source: [Bikeglossary.com](https://bikeglossary.com/do-folding-bikes-break-easily/)). The price of a foldable bike can also have a significant impact on how easily it breaks, as cheaper folding bikes may be made of less durable materials (source: [Foldingbikehut.com](http://foldingbikehut.com/do-folding-bikes-break-easily-folding-bike-hut/)).
Like most electric bikes or even traditional bikes, folding electric bike also have a bike weight capacity to avoid the bike from breaking easily when the capacity is disregarded.
Most mid-ranged valur for money folding electric bikes are designed with a durable and strong structure to keep the bike from breaking.
If you overload a bike and surpass its maximum weight capacity, there is definitely a high chance that it would break over a short period of time.