gear

Hi, Since several years I own a self-built pedelec that has, as I found out after opening, a 500W48V DWG22 motor from Shengyi. The reason for opening the motor was that the roller clutch (connected to the planetary gears) tends to slip and therefore needs replacement. I was under the...

Hi, I`m trying to convert an old bike with a cyclotricity 250w kit ,its been going ok so far, one problem though, the front derailleur wont shift? I mean it moves when i click the shifter ,i can see it physicially move next to the chainring, but it wont move into the high or lower chainrings ...