Originally Posted by
YourManinChina
Agh, yes, I've seen those bikes. Only the LED display, but that's only on the cheapest E-bikes. Fact remains, though - what does it measure? It measures *something*.
And I tried installing aftermarket accessories on my bike - a compass. It lasted about 2 days before someone tore it off my bike while it was parked. A pity, otherwise I would install the aftermarket speedo like you said.
well if your have analog meters like i do, your speedo is hooked up to your controller it Measures voltage
your hubmotor makes when its in Motion. would explain why it doesn't drop to zero when you let off on the gas.
and the gas meter is hooked to you battery.
hope it helps
cheers