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I think I understand your point — but that’s not really how this works. OpenBafangTool is not “ineffective”, it just doesn’t expose everything. If you take the FakeTaxi table values and apply them 1:1 in OpenBafangTool, you get essentially the same behaviour. I tested FT_2026_02_02_h1 vs...

Interesting point, but after looking at your table and the README I do not see any clear indication that the assist logic is actually speed-dependent. In the documentation you mainly change torque related parameters (start torque / max torque / return torque) and current limits, as well as...

Yes, I appreciate the feedback, it helps a lot when trying to understand how the controller really behaves. From what I can see in OpenBafangTool, the cadence ranges are defined by the levels 0–5, which seem to represent steps of about 20 rpm up to 120 rpm. These values appear to be fixed...

Yes, that matches what I see as well. While testing different torque table settings I also monitored the power values on the Bafang display to make sure that the motor limits were not changing. With my current setup, using the assist levels from the display, I get about 530 W on the second...

Reverse-engineering the M820 torque table – rider torque thresholds instead of motor limits Hello, while working with OpenBafangTool on the Bafang M820, I started looking more closely at how the torque table actually affects the behaviour of the motor. After testing multiple configurations, I...

lolz, look at the phat batteryz tube thingy

@Waynemarlow : I have already connected my M820 to the Open Bafang tool. You can adjust a lot more there than with the normally usable BESST or BESST PRO, e.g. the maximum current. So you wouldn't need a special firmware version to adjust this value. Unfortunately, I am a beginner in this area...

@Waynemarlow : Hi. I am just 2 posts away from beeing able to write PMs. But I will write you when I got the PM status :cool:

Hi there. Did anybody work with the "Open Bafang Tool" together with the BESST adapter on the M820?

Many thanks for your feedback. It's a L sized frame (19") and very suitable for my body size (185 cm).

Thanks for the the praise and the tipp.

Hi radstar For now, I've finished the build (see my previous post) and have started test riding. I didn't have the weight in mind for the time being, as I wanted to put together a bike with some enduro character with existing parts. That's why I'm only at 20 kg. My goal is to gradually get to...

Hi Charlypitillo. You have really made an exquisite selection of very light pieces. Apart from the frame/engine set, I have so far mainly used what I have lying around in my hobby workshop and also ordered no-name parts from China when necessary. Since I've gone for the 835 Wh battery, I'm now...

Hi Leute. Ich habe mir den Launch des neuen Levo Gen4 sehr genau angeschaut – und frage mich ehrlich gesagt, ob Specialized da wirklich den oft zitierten „Big Leap“ gemacht hat. Oder eher einen Rückschritt im modernen E-MTB-Verständnis. Denn nüchtern betrachtet ist dieses neue Flaggschiff vor...

Many thanks, same320.

Hi, I am Berglex, a passionate mountainbiker from Switzerland. I'm currently riding a Turbo levo from 2024. I'm actually quite happy with it, but I also like making things. Since the current and very bland trend among many brand manufacturers is simply to put more and more power into the bikes...