This Tongsheng/SFM mid drive motor with torque sensor is the cheapest and good torque sensor mid drive motor in china, you can feel the power from your foot to start the ebike,so you can't need use throttle to start the ebike TSDZ2 electric bicycle central mid motor with torque sensor Speed: 15Km/H-45Km/H top speed 45km/H Package include: 1.48V 500W or 48V 750W 15A TSDZ2 mid drive motor with torque sensor throttle e-brake lever 2. NO e-brake lever 3.Speed sensor with magnets 4:No throttle 5.E-bus cable set(can compatible till 28inch bike) 6.Easy installtion as 8FUN center motor 7.42T chainwheel 8.XH-18 LCD display or VLCD5 display or VLCD6 display also has a usb port, to charge your mobile device 9.special speed sensors, which are more robust, and include a split 'Y' adapter, to hook up a 6V headlight, and 6V taillight, which you can control from the display 10.Supports up to 54.6V input voltage, can't work on 58.4 input voltage If you need 1 pcs front light, please buy below link. delivery fee for 1pcs front light without brand on the motor Controller max current 48V 15A
How do I know if this mid drive motor fits for my bike? This mid drive motor desighed to fit bike with a 68mm (2.68inch) or 73mm (2.87inch) wide bottom bracket. The inner diamater of the bracket should be not less than 33.5mm. We will send extra washers and bolts for 73mm bottom bracket. After installing the motor: If mechanical collisions happened between motor and frame, Add gaskets,We will send extra 1pcs 42*35*1.0 and1pcs 42*35*1.5 gaskets.If you do not add gaskets, It is easy crack the shell and destroy torque sensor. Speed sensor:Tighten with cable tie,Keeping distance between 10mm to 15mm,The arrow align at magnet. After installing Note: The motor does not work when the mid motor TSDZ2 is no-load; If the matching display’s model is XH18-LCD, rotating the throttle is only for Power assist shift. Do not tough the pedals when turing on the display power.
Warranty: 1 year(based on the purchase data): Free repair,buyer pay for return postage and resend postage, buyer should return to Germany or Italy for repair, don’t need return to china.