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  1. Arvicola Terrestris

    Christiania Bike conversion

    I often gets question about my conversion of my Christiania Bike (cargo trike) into an center motor e-bike. So I've decided to dedicate a thread to Christiania Bike conversions. NOT ONLY MY BIKE, YOURS TOO. Why Christiania Bike in particular? Because there is a rather large community loving...
  2. Arvicola Terrestris

    BOSCH Powerpack battery

    There doesn't appear to be any general thread about these batteries from German BOSCH. You are welcome to post any problems or knowledge here! I have a BOSCH Powerpack 400, 36v and 11Ah tube mounted battery on a Grace MXII S, with a 350 Watt Bosch Performance Line center motor. EDIT: It's a...
  3. Arvicola Terrestris

    Bafang BBSxx, replacement of bearings in bottom bracket

    I don't think this subject is dealt with elsewhere in here. I had a friend use my Christiania Cargo Trike for a weekend, what i didn't think about was that since he is a professional sportsman, and his legs is among the strongest i Norway, it only took him 24 hours to break the bearings in the...
  4. Arvicola Terrestris

    Bosch Intuvia display

    My Grace ebike is fitted with a Bosch Performance Line motor system, and a Bosch Intuvia display/HID. The system is 8 month old and been running 3000km. Now a malfunction has appeared in the display: First i had problems with shifting power mode and shifting between the different "info-modes"...
  5. Arvicola Terrestris

    Gaozhao Charger Investigated (non-OEM from China)

    I'm curios by nature so I want to find out more about this charger that came with my battery. I'm not an electronic engineer so if you also are curios, feel free to join 8) I bought a battery from China (ebay) and the deal included a charger: Gaozhao for 48V LiFePO4 5A. Most text on the...
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