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  1. U

    Bosch Error 504 With Speedbox 2

    Does the battery need to be connect while doing the reset peddling?
  2. U

    Bosch Error 504 With Speedbox 2

    Anyone have more news on this? My Gen3 has the the 2020 firmware and now is in limp mode with 504. May need to find new bike as I can not stay with 25kph!
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