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  1. winelight

    Cube / Bosch - Speedometer started fluctuating but now reads zero

    If the sensor is not working, and so the display reads zero, then the motor will not work (as far as I know?). I think it needs to detect speed, as well as the torque that you apply (as measured within the bottom bracket). If the sensor has gone flaky then in my experience, at any rate, it...
  2. winelight

    Cube / Bosch - Speedometer started fluctuating but now reads zero

    Just for the record, changing the speed sensor has indeed fixed it.
  3. winelight

    Cube / Bosch - Speedometer started fluctuating but now reads zero

    I have a Cube Touring Hybrid Pro 500 and last time I went out on it, the speedometer would occasionally, but with increasing frequency, start fluctuating wildly (both above and below the actual speed). I took it to the bike shop today (it's under a year old) and they flashed it with the latest...