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  1. I

    Help Needed with low power bike.

    Just an update from the seller. Suzhou SND Zhenlong Motor Co. Ltd from aliexpress. Kevin told me 2015-06-30 19:49:53 Hi Lee, This motor make faster speed,and also it need more power to run with it. ( It is just 150w more than my old motor ) our controller limit current is 30A,when the battery...
  2. I

    Help Needed with low power bike.

    I understand where you are coming from. I do not have this function on my controller. But have a 3 speed wire. I did tried all 3 speed when my bike loss power at 48v, it doesn't seems to have much difference. Do you guys thing is the 12 mosfet 30a controller is too powerful for my sla 48v 12ah...
  3. I

    Help Needed with low power bike.

    It is sometimes 11.8 to 12v per battery. The weird thing is that when i place the bike on the stand the wheel move but at a slower speed than full charge. But when load is on it, the bike would jumped approx 3 times and move slowly. Any suggestion what is the issue?
  4. I

    Help Needed with low power bike.

    My controler is for led not lcd so i do not have those 5 in 1 connector wires . do you sharing with me the links as i couldn't find them. Thanks
  5. I

    Help Needed with low power bike.

    Hi All, I need some advice on my new controller and motor. Recently i changed a new motor and controller for better pick up and max speed but had an issue when my battery reaches 48v. ( its all well and fast after a charge ) ( Every method or issues occur - with or without regen braking, speed 1...
  6. I

    FAQ - front or rear hub motor?

    Hi all, IS it even possible to use a front hub motor and place it to the rear? :lol:
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