250 watt motor and 18max current controller?

[RunForTheHills]

Torque arms are recommended. Grin torque arms are the gold standard. This is the torque arm they sell for the Bafang G311 motor that you have: https://ebikes.ca/shop/electric-bicycle-parts/torque-arms/torqarm-311.html

 

[harryS]

Self learning usually works. If you have a voltmeter, measure the throttle voltage to make sure it's increasing smoothly from about .70 v to a max around 4.3 V when you rotate it. Maybe it's jumping from 0 to 4V.

 

[PCeBiker]

Lithium grease for example right?

There's better grease to use.
I bought Corn Head grease, and Mobile 28 before I found out that Mobile SHC100 was better.

I used the Mobile 28.

Anything is better than nothing though.
Use bacon fat if that's all you've got.

The smell of bacon frying will let you know when your motor is too hot.

Re-greasing the Ultra motor...is it time?

The Ultra motor is my UC Pro is getting louder and louder, so I think it may be time to re-grease the gears. This is the first time I've done this, so any tips would be appreciated. I've watched a handful of videos on this topic, using Corn Head grease, and it looks to be a straightforward...

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