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  1. M

    Error 640 on Bosch Powertube 500 battery after 1000 hours of use

    My 3 Bosch Powertube 500 batteries are having issues. They each have about 600 cycles, that is about 1000 hours of use for each battery. - The first issue is that the batteries shut down frequently while I cycle. The intuvia display then gives me an error code 640. - The second issue is that I...
  2. M

    39,000 miles/62,000 kms in 37 countries with a Riese & Müller Supercharger

    I purchased a Riese & Müller Supercharger GT Nuvinci HS in April 2018 and started a touring journey from Paris, France. I am now in India having cycled 21,000 miles/34,000 kms in 28 countries. I wanted to share my feelings about the ebike. In addition to the 2 500W Bosch Powertube batteries, I...
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