Left sided drive trains are tried every so often in track cycling with supposed aerodynamic advantages for travelling around the track. See: https://www.cycling

Left sided drive trains are tried every so often in track cycling with supposed aerodynamic advantages for travelling around the track. See: https://www.cyclingweekly.com/news/japan-unveils-new-olympic-track-bike-with-left-sided-drivetrain https://www.cyclingweekly.com/news/japan-unveils-new-olympic...