Fortunately, you can quickly adjust the level assistance, with five power options available. Like the Bafang mid-drive system below, the TongSheng offers the same benefits of compatibility with a wide range of bike designs and a high torque for steep hills and off-road terrain. However, the TongSheng mid-drive does manage to be a little lighter… Continue reading Nando Zucchi on LinkedIn: Great launch of a new eBike line for Schwinn Big thanks to the team that 26 comments