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Thanks man, also for linking the videos, this explains a lot and will definitely help me decide once I am ready for upgrades!

If we assume I have Bafang RM G060.750.DC motor, would it be very risky to drive it with higher voltage than specified? Eg from 52V battery? Then again, we are probably looking at 8-10% improvement in top speed, correct? Perhaps not worth investing in another battery for the sake of this...

Oh this starts to make sense! I am not 100% sure, but this linked motor looks pretty much exactly like mine. So the spec you linked says maximum 325 rpm (I guess max peak) and 290 rpm (I guess max constant speed)... That gives angular speed w = 5.4166 rot/s (peak) and 4.833 rot/s (constant)...

Hmm, that makes a lot of sense, but there is one element that does not add up in my case. If the problem was on the battery side as you said, and BMS was trying to protect the cells, then it would only manifest itself at high electrical currents, right? But when I ride downhill let's say 50...

Sadly I don't know what cells are inside. The sticker on the battery housing says - Model: CBT-13S5P, bar code: 20180803CBT0174, another bar code: A0725KB07648-174 (don't know how to check this).

Hi Timpo, thank you, I think I get this part. Where I struggle is why the current is suddenly cut off at certain speeds. My hypothesis is that the controller has a built-in current limiter that checks the internal speed sensor inside the motor. If this is the case I would like to reprogram the...

Hello Everyone, I have recently bought my first ebike. I am overall happy with the performance but a little puzzled how the current is being cut-off when the bike reaches top speed around 38 km/h. This top speed is lower around 35 km/h when the battery is half-empty, and higher >40 km/h if the...