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  1. J

    Bafang Ultra torque sensor not working?

    Hi, I have had my bike for 2 years now and only ridden about 300km since new. My last ride the torque-sensing stopped working. I have to pedal really really hard to get a small push from the motor, but normal pedaling does not give me any help from the motor. No settings has changed since this...
  2. J

    Programming the Bafang Ultra 1000W

    What model of battery do you use? I have the Reention Dorado battery that looks like this: https://sc02.alicdn.com/kf/HTB1ECmfaIvrK1Rjy0Feq6ATmVXa5/china-suppliers-Electric-bicycle-reention-48v-21ah.jpg With no handle, and it is 48V 21Ah. Thank you!
  3. J

    Programming the Bafang Ultra 1000W

    How did you test the BMS cutoff? I have a 48V 21Ah battery with built in BMS
  4. J

    Programming the Bafang Ultra 1000W

    I think it is time to create a thread dedicated for programming the Bafang Ultra 1000W. For reference, this is the default settings my new e-bike arrived with: https://imgur.com/a/g9q2X4J If this is standard for all Ultra's, I don't know, but it is a good reference point. I will start off with...
  5. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Got an update on my torque issue. Sent down the motor to Bafang in Netherlands and they found out that the torque sensor was broken. And they will send a new motor as a replacement. Thank you for the help when looking for the issue. I hope to experience the bike as it should be!
  6. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    I got it connected, placed the bike on a stand and connected the PC and did a Continous Get while pedaling with my hand at a steady rate. Here you can see the result. In the first video I try to pedal at a steady rate: https://streamable.com/u19a2 And in this video I try to accellerate (pedal...
  7. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Great advice, I will do this today! I am using settings that other people have confirmed are good, like the settings in the video about programming. And I am going to connect it to my PC to check the torque values. What am I looking for here? What are reasonable values? And should I keep it...
  8. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    I am not sure I understand? Can you keep the bike connected via programming cable and read out torque in real time? How hard should I pedal by hand and how do I do this?
  9. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Just got back from testing the bike. Was able to solve the throttle cut off issue too. This means the throttle works very very smoothly, as I was able to program the right voltage. However the torque sensoring does not work as I believe it should. It feels pretty bad to ride. Say I got an uphill...
  10. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    No, mine is an Ansbern, this one: https://www.alibaba.com/product-detail/China-48V-1000W-Mid-Drive-full_60792141560.html?spm=a2700.7724838.2017115.49.576e643ecWbVUb The reason I am here is that this is the only active thread on the Bafang Ultra anywhere. And my bike and the Frey share many...
  11. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    I will try it again tomorrow afternoon. I just did some testing in my house with the bike and I noticed a weird thing. The throttle I have on the bike which is this model ( https://electricfatbike.files.wordpress.com/2015/08/left-thumb-throttle-500x500.jpg ) will stop working when I go past 70%...
  12. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    I understand that it might not be perfect on standard settings, but it feels like it doesn't work as expected at all. I actually bought a programming cable and I tested it with the default settings first ( https://imgur.com/a/g9q2X4J ) and then the settings suggested by...
  13. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Finally the weather is good enough to test my ebike which has a Bafang Ultra 1000W. I want to check out if anyone else has the same issues. The torque sensoring isn't working as I expected, it is very jerky, even if I pedal at the same rate the motor will turn off and on, shouldn't it be smooth?
  14. J

    BAFANG BBSxx change settings on the fly (aka 'cop button') and BBSxx communication protocol

    I actually got some progress done. I managed to listen to the COM-port with a Serial Port Monitor application when I connected the bike with the Bafang Programming software. So I now have the correct response to be able to connect with com0com virtual ports. The connection request from the...
  15. J

    BAFANG BBSxx change settings on the fly (aka 'cop button') and BBSxx communication protocol

    Would it be possible to modify the firmware in the DPC-18 to be able to do this by holding one of the buttons? If not, do you think this will work without modification on a Bafang Ultra? The display is the same I think. But the engine is different. EDIT: Just got com0com and HTerm setup, and...
  16. J

    Bafang Ultra 1000W Programming, Best settings?

    I cannot find any specific thread discussing this area. But I have read in a lot of other threads that people experiment with the settings of their Bafang Ultra 1000W by programming it. Just got the cable myself, and I am trying to find out what settings I should tune. So is there any one who...
  17. J

    BAFANG BBSxx change settings on the fly (aka 'cop button') and BBSxx communication protocol

    Wow, this is exactly what I am looking for. Would this work on the Bafang Ultra 1000W? Or is it different somehow?
  18. J

    Error 08 and 21 on Bafang Ultra, how to clear?

    I got my brand new bike which is equipped with a Bafang Ultra 1000W, before riding the bike I checked the error codes in the display. And there were two error codes on this display, 08 and 21: I am thinking this might be old error codes from factory, is it possible to reset these? I have a...
  19. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Got a Bafang Ultra 1000W and I have two error codes. 08 and 21. What does this mean, the bike seems to function. It is brand new so I don't know if anything is wrong. Another thing, rolling the bike backwards makes a weird noise? And why is no battery information shown in the hidden menu, it...
  20. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Good solution! That's almost perfect. But I would like to have pedal assist over 25km/h, just being able to limit it if I need too. I have the Bafang flash cable, would it be possible to limit Eco-mode to 25km/h pedal assist? And let the Sport-mode have full capability? I will do something...
  21. J

    My Bafang Ultra Mountain Bike! Frey AM1000

    Is it possible to program the Bafang Ultra to limit power somehow? In my country we have a maximum of 250W engine allowed and 25km/h assist maximum (no throttle). When using the bike on the street I want to be able to limit it, and to be able to unlock it when going offroad. I have bought the...
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