Tongsheng E-Bike Conversion Kits
Tongsheng have been developing small electric vehicle systems since 1998 and apart from producing OEM electric motors, they also make the popular Tongsheng TSDZ2 e-bike conversion kits. The TSDZ2 is particularly popular because it uses a torque-sensing system to provide electric assist. This is a feature usually only found on more factory e-bikes.
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