Tongsheng TSDZ2B Drive System Installation

Converting your bike to an e-bike by TSDZ2B drive system with Torque Sensor integrated in the mid-motor brings you perfect in-one riding experience from you and your e-bike. The motor outputs according to your pedaling force. And thanks to the new bidirectional free-wheeling clutch instead of the one-way clutch to reduce the drag resistance from motor, your e-bike can be ridden as a normal bike when the motor out of power.