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  1. R

    BBS-FW: Open Source Firmware for BBSHD/BBS02 Controller

    I know that I'm asking probably what was already answered or commented on the previous messages, but in the middle of so many bugfixing and small issues, I cannot have a clear decision about change the original firmware to this that look very good. So, I need from your experience to tell me if...
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    Offroad use of Tongsheng TSDZ2B 36V 350W

    In the case of the TSDZ2 both 36V and 48V according to you are both limited to 18A, so, from that limitation you get on a 36V nominal - 648W (42V full charge - 756W) and on a 48V nominal - 864W (54,6V full charge - 983W). Then I don't understand why are they rating their motors 36V 250W/350W and...
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    Offroad use of Tongsheng TSDZ2B 36V 350W

    Agree, but the diference from 36V to 48V is minimal, only 5A in diference. I personally prefer 36V because the battery is cheeper, lighter and I have several ;). But I understand that most of all main manufactures of eBikes use at least 48V.
  4. R

    Offroad use of Tongsheng TSDZ2B 36V 350W

    Just one note, 52V or 36V doesn't matter, in the end, what matters is the wattage, if for your build as: Motor rated 52V 750W and battery with a battery 52V 14,4A +-750Wh, number of cells = 14S x 5P = 70, more weight Motor rated 36V 750W and battery with a battery 36V 20,8A +-750Wh, number of...
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    Cannondale RZ One Twenty Lefty PBR 120 with a Bafang BBS02B motor

    This is my build of an eBike using a Cannondale RZ One Twenty with a Lefty PBR 120 and a Bafang BBS02B motor. Specs: Stock unchanged Bafang BBS02B 36V 500W with 500C LCD Battery 36V 14,5Ah 42T Narrow/Wide chainring (perfect chainline) 12 speed cassete 11-51T SRAM GX 12S derailleur and...
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    Offroad use of Tongsheng TSDZ2B 36V 350W

    So, do you think that buying a TSDZ2B 350W flashing on it the new open source firmware is going to make this motor powerful enough to use it on an XC Cannondale RZ120 and climb stepe hills and mountain XC trails with a more natural feeling that on a Bafang 36V 500W with only a cadence sensor? Is...
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    Offroad use of Tongsheng TSDZ2B 36V 350W

    Does anybody knows If there is a 250W/350W/500W system with TSDZ2B, when I look for spare parts, only see the 36V motor and 36V controller, seems that the W is only by software limitation, is this right? Even the prices are the same all 36V cost the same and 48V also. So does it mean that I can...
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    Offroad use of Tongsheng TSDZ2B 36V 350W

    I'm worried, I didn't know the the axel was braking so many times. I'm not complaining about my Bafang BBS02B 36V 500W, it is an excellent and powerful motor, you only need to understand the way it works, to be on the right gear and assist mode when facing a climb. I was eager to test a torque...
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    Offroad use of Tongsheng TSDZ2B 36V 350W

    Thanks for this precious description that helps me a lot to understand this motor.
  10. R

    Offroad use of Tongsheng TSDZ2B 36V 350W

    Hi guys, I'm new here but have some experience with motor assisted bikes. In my case I use Bafang BBS01B 36V 250W for commuting to work and Bafang BBS02B 36V 500W on a Cannondale full suspension for XC. Both bikes are ok, but for off road, I miss the torque sensor that BBS02B does not have...
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