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I'm about to buy this Motor controller from pswpower But for the life of me, I cannot understand what this is supposed to mean: "Note:This is sensor controller, so controller has three big cable and five sensor wires and one speed sensor wire. you motor must have 8pcs wires or 9pcs wires, If...

Could I do this on one of the cheaper displays? Lcd3 or Lcd5?

@Gionnirocket there's another more obscure one...took me a while to find it. Listed measurement 96x61x35mm

with that logic, I might as well get the 20A, as I could modulate the amperage on the controller-right?

My previous controller fit pretty snug- so I'm only going with something that size or smaller

How can I tell if These are a little too big for my compartment- I think I'm gonna go with this 36v-48v 20A 500w controller. Do you think this might be too overpowered for my 250w motor? (I could go down to this 17A option.) @harryS

Have a link to one of those small form factor, higher amperage controllers? Also, does it make a difference if its sine or square wave (and how do I check)

Well I guess its time for me to replace the controller out of necessity...I lent my bike to a friend, and upon returning it, my headlights would turn on, but the bike and screen would not turn on... Opened up my controller and found this: He said he rode around with another guy on the back of...

Thanks for the advice. I was trying to find a controller to fit the specs on aliexpress and got a little confused. Could you send a link for one, just so I know what I should be looking for?

So a new controller with higher amperage would up my speed? How do I know which to buy, so that I don’t completely burn out my motor?

Dremelling a slot worked like a charm!

Finally got access to the controller, 48v Rated 6A, Max Current 13A

@harryS It seems to be the same as that australia model- minus the tires. I gave a link to an israeli website with the exact bike

I recently bought a preowned Smartbike M3. I haven’t been getting the speeds I was expecting from the battery motor pairing though. The battery is a 3 cell 48v 16ah. Motor is a bafang 48v 250w (when I scan the QR code on the motor it says RM G0C0.D 11 F2VA110061). Controller says...