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Her alloy levo SL is only 240w and 320whr battery, the motor isn’t exactly quiet and it weighs 20kg. It is nice to ride but she wants a bit more power and more range if possible. I thought the lce930 frame with m820 motor could be a good option. Just worried about the m820 controller and how...

Is it that bad? Specialized is very natural, m600 feels like a delayed light switch on comparison. Which is m820 closer to?

It’s possible to use throttle with m820?

Does anyone know how natural the m820 torque sensor implementation is compared to a Specialized Levo SL? I’m trying to convince my wife to trade in the Specialized for a m820 bike and she is worried it won’t be as smooth and natural feeling.

Thanks everyone I got it working again, had to ‘read’ the sensor serial number which somehow was an editable field which didn’t change when I went back to controller then it let me flash the new firmware and all is good again. Actually better than before because the firmware which Kiwitourer...

Where can I download one of the earlier versions?

Maybe there is an older version of the BESST software that allows manual entry of the serial number?

I can’t get the service tool to read a serial number either. That’s just with the BESST tool plugged into usb and nothing else connected?

Thanks for your help! It is BESST version 1.2.42 I still can’t get it to read the SN from the controller. I took some screenshots before I started everything so could just type the SN in but it doesn’t allow that. It is “CRX10N.500.FC3.2A18F8W9287212”

Hey guys I had a controller firmware upload stall mid upload and now when I click ‘read’ the BESST program puts up an error ‘main data empty’. Is it possible I have bricked the controller? Bike won’t turn on. Any ideas?

Hey Kiwitourer, I want to try out you m600 firmware but am having no luck getting a login for using the BESST tool from either Dengfu or bafang. Do you have a login I can use just to upload the firmware? Cheers, Keith (in Twizel)

Kiwitourer, how does the new firmware version effect throttle input, is it still limited by the PAS setting or does it give 100% in all settings?