from Budapest has one giant saddle (a bench, really)聽built into the top tube that two people can sit on聽at once. In the rendering, the bike聽is constructed from 3-D printed materials, as well as wood and steel.
For wheels, it uses聽a 26-inch one聽out back and a 24-er up front聽for an aggressive聽stance and nimble city handling. It also comes聽equipped聽with disc聽brakes and can be geared or set up as a single speed. 聽