Bikes somehow manage to be beautifully simple and ridiculously complex at the same time.
The basic mechanism is very straightforward and has remained largely unchanged for about 100 years. Yet people have never stopped tweaking it, trying out new materials, components or concepts.
Which is why at Eurobike, a huge tradeshow dedicated to showcasing 2015’s bikes, there’s no shortage of people trying to reinvent the wheel – in some cases literally. Here are some of the craziest inventions we’ve seen.