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  1. E

    Regen for heavy cargo bike question

    Indeed, most likely the weak point is the spacer I added when I upgraded from 180 to 203 in the front. I will try with the simpler solutions first, see if applying the rear brake first will lessen the stress in the front whenever I am hauling the trailer, that may help solve the problem. At...
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    Regen for heavy cargo bike question

    Thank you for the explanation Amberwolf, very much appreciated, this makes sense. I have a FOC phaserunner controller on our other bike with the regen activated by the throttle once the brakes are on, it is pretty awesome. I have already tried many times to find out about the stock controller...
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    Regen for heavy cargo bike question

    I am interested in locking the clutch on my geared hub motor to get regen for better braking. I modified a Juiced U500 by adding a BBS02 mid rive to tow a 200lb trailer as well as carry about 300 to 350lb on the bike, including rider, bike and gear for a total of about 500 to 550lb. This has...
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    TSDZ2 OSF for all displays, VLCD5-VLCD6-XH18, LCD3, 860C-850C-SW102.

    Got it, it is working great! :bigthumb: The only thing that was difficult to get to was to get into the street mode option, initially the 850C display kept freezing and I had to disconnect it to turn it off which is why I stopped trying to get into it however that was not an issue when I just...
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    TSDZ2 OSF for all displays, VLCD5-VLCD6-XH18, LCD3, 860C-850C-SW102.

    Thank you, I had not come across the instructions yet and have found them. I went for a ride and tried a few different settings unfortunately the power limit seems very low, it feels as if the controller was set to 6 or 7 amps even though I have the motor power set at 750w, battery max current...
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    TSDZ2 Bootloader firmware for 850C not working

    Thank you, I did find all the necessary info on that thread and got it working. Here is all the info needed for the new motor all in one place; TSDZ2 programming 2021 All the software needed at the bottom of this page...
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    TSDZ2 OSF for all displays, VLCD5-VLCD6-XH18, LCD3, 860C-850C-SW102.

    I finally succeeded in installing the v20.1C.3 firmware onto the new version of the TSDZ2 after the 850C display went dead on me with the older firmware and many unsuccessful attempts, thank you everyone who helped figure this one out :D I still have not taken the bike out for a ride, it is a...
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    TSDZ2 Bootloader firmware for 850C not working

    I am not sure what version came with the motor, it was purchased this summer and is new, the version I installed yet could not be verified because I can’t turn the motor on and came from: https://www.eco-ebike.com/blogs/eco-cycles-instructionals/tsdz2-motor-firmware-programming I realized as I...
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    TSDZ2 Bootloader firmware for 850C not working

    This is my first installation of a TSDZ2 after having installed many Bafang middrives, so I am on a bit of a learning curve with this one. I have been trying to install the open source software on my new 48V TSDZ2 and unfortunately after it was flashed with the new firmware, the 850C display is...
  10. E

    Mid drive with big battery sag

    I finally got around to open the motor and look at the controller, interestingly all the contacts inside the controller compartment are buried in silicone, which is a good thing considering its location inside the mid drive motor with no gasket between the controller compartment and the motor...
  11. E

    Mid drive with big battery sag

    Thank you for the advices, I am going to put this one on hold, I do have another ebike, it seems weird that XOFO would make a motor with too powerful of a controller. Maybe when I get a moment I will open the motor up and check if somebody tried to change the factory settings on the controller...
  12. E

    Mid drive with big battery sag

    There seem to be no voltage drop when there is no draw on the motor but I should check how much amp it is drawing. I suspect that the person I bought it may have been careless, the price was just too good to be true and many things the previous owner said turned out to be misleading. He also had...
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    Mid drive with big battery sag

    Thank you for your answer, very much appreciated, I did check the motor specs and it it is rated pretty low, 250W to 350W, I have an older version but similar to the one on the link. Both batteries and motor are 48V but I will check in the motor display setting and make sure it is set on 48V...
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    Mid drive with big battery sag

    Hello, This is the first time I post after months of always finding without having to ask, what a great resource this is. I recently purchased a used mid drive motor and battery for what appeared a decent price. The motor is a 48V Xofo 15A controller, the 14Ah battery appears to be made of low...
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