Recent content by Qrnl

Thanks for your reply. There are 9t and 92t sporckets available. I can gear it down to 43, 41, or 36 km/h instead of 50km/h. What is the best choice? And the motor rotor needs rewinding. Sticker on it says 20.8A input, 48V. Output: 1000W so there is an error or a lie. I was surprised it didn't...

Hello everyone, I am new here. I made DIY ebike and engine overheated and failed after 40kilometers. And I want you to help me figure out what I did wrong. Specs: Battery: DIY 48volts, 13x6 18650cells Engine: ZY1020GD, brushed DC 48V. Input 20.8A, output 1000W, rated 3000rpm Controller: yk31...