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I don't know whether this is the right thread for this.
I bought a really shitty ebike kit some months ago but the battery was bust. I don't have a display or pedal assist only a crappy thumb throttle. I bought a new battery in hopes of getting it to work but something is wrong.
The wheel spins fine when there is no load and speeds up more when light load is applied.
However when I ride it around the motor goes up to maybe 10 km/h at most and then shuts off and turns back on again at maybe 5 km/h.
How can I test whether this is a battery issue, controller issue, motor issue or something else. It's been over 6 months and my bike has just been standing unused for that time.
