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  1. O

    Bafang bbshd error 30 and now can not jump the switch

    Hi, I have a bafang middrive kit bbshd and a 52v battery. Worked well for like 4 or so years. Recently my 790 display started blinking. I bypassed it by jumping the controller and ordered a Zeekpower Display BN136. The BN136 worked for the ride out and then gave error code 30. I tried to...
  2. O

    Shark pack not engaging fully with mounting plate (not lockable)

    I bolted the mounting plate to the bottle cage mounts and attached it directly to the frame at the farthest point with out putting screws in between. I think I managed to create just enough flex in the mounting plate to keep the pack from seating fully (2-3 mm off). So frustrating!!!!! The...
  3. O

    DIY shark pack attachment and frame tube strength.

    I got a very inexpensive frame to practice building an ebike for the first time. I had difficulty utilizing the bottle cage brazeons in the main triangle. Instead I went for attaching the pack under the down tube for lowest center of gravity (had to drill holes in the frame to do so). I did...
  4. O

    52 v battery with 250w motor? Controller options??

    HI, I have a currie ezip Skyline (copy pasted specs at bottom of questions). I use it to haul a trailer. It's main limitations are speed uphill and range. I can live with moving slowly but I would like to squeeze out a little more distance and low range power. I think the batteries I...
  5. O

    Will a bigger motor solve my problems or cause more??

    HI, I have a 24v 250 watt system... I have two 10ah li-ion batteries that swap interchangeably. I have been using this rig believe it or not to haul a little trailer with gardening materials (usually trays of small annuals and pots less than 6"). It preforms beautifully unless I demand that...
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