Tongsheng TSDZ2B OSF 36V 48V 52V 500W 750W Mid Drive Motor Open Source Firmware Electric Bike Torque Sensor Ebike Conversion Kit
Advantage:
1. OSF torque sensor motor, fit all 36V, 48V and 52V battery.
2. R Straight Crank, more comfortable pedal experience.
3. 860C color display, has more display modes for option, human power and speed.
4. Color display with throttle and hydrualic brake sensor.
Feature:
1. Easy assembling;
2. Maximum Torque: 80N.M;
3. Built-in Controller and both side torque sensor;
4. Weight: 3.6Kg;
5. OSF 860C LCD Display;
6. Power: 350W, 500W, 750W;
7. Power Assistant Ratio: 36%~300%;
8. Speed: 35-40km/h (unlimited), 25km/h (limited);
9. Chainwheel: 42T;
10. Bottom Bracket Size: 68/73mm;
11. High efficiency, low battery power consumption, safety long riding;
12. Current cutoff as long as pedaling stopped.
Notice:
Speed sensor
Tighten with cable tie, has to keep distance between 10mm to 15mm and the arrow on the speed sensor align at magnet, otherwise the torque assistance and the speed sensor will not work.
After Installing
1. If mechanical collisions happened between motor and frame, add gaskets, we will send extra 1pcs 42*35*1.0 and 2 pcs 42*35*1.5 gaskets. If you do not add gaskets, it is easy crack the shell and destroy torque sensor.
2. Do not test it by hand since the motor does not work if the mid motor TSDZ2B is withthout load.
3. Do not touch the pedals by your foot before turning on the display.