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Hi, I have a Bafang rear hub motor SWX02 with a Bafang controller and the c961 lcd. The motor is 250W 36V and I have a 11.6ah battery pack. A couple of weeks ago the speed sensor failed, there was no signal coming from the motor. I opened up the controller and installed an external speed...

Hi, I have a cargo bike with a Bafang rear hub motor SWX02 and a bafang controller. During one of my commutes the bike suddenly stopped reporting speed and the display says error 21 and turns off. I am wondering if the speed is reported by the pas sensor? The controller detects pedalling so pas...

Hi guys, I have a cargo bike like this one - http://www.cargobike.se/produkt/Cargobike-Classic-Electric- I have bought a new controller to test out from KT but it seems my motor is sensored and I bought the non-sensored controller. Nonetheless it would be nice to test how the bike performs with...

Hi guys, I found a nice entry level ebike at a store sale for about 700 euros and decided to bring it home. This is the bike: http://whitebikes.com/bikes/velo-city-energy-spike/ Overall I am quite happy with it, apart from some quirks. The bike seems to take about 3-4 seconds pedalling before...