Discover a new mechanism for bicycles that eliminates chain drop during rides. This gear mechanism provides a smoother and softer ride, producing some bearable noise that can even be enjoyable.

It will cost about $2,000, and will be introduced in April, Mr. Lumpkin said. Another chainless bike, the StringBike, is being developed in Budapest by the inventor Robert Kohlheb and his business ...

This out of this world contraption is actually a bicycle. Designed by Edward Kim and Benny Cemoli, its odd shapes and lines seem to have little to do with biking. This couldn’t be further from ...