Videos Watch: Riding Vertical Walls on a Bike By Video Share January 17, 2017 Yes, this is a BMX video. But step back for a second and just look at what this guy is doing on these tiny wheels, and ask yourself: “how is this possible?!” Share This: Tweet Video Share These are videos that the Singletracks Staff has collected from around the internet and have deemed worthy to share with you. Subscribe! Enter your email address to receive our top stories via email each week.