belt

What do you guys think could be the cause of this grinding noise on my Turbo Levo 2018 bike ? It's coming from inside the motor, only when using pedal assist. No noise when backpedaling, and when the assist is turned off there is zero noise. It starts about 20 minutes into the ride, and from...

Hello I changed a belt on my brose s mag(tighten it properly with 0.2nm) and after ~30km under a big load it starts to produce a squeaking noise. I tried to retighten it couple of times with the same result (using blue past) Did anyone figure out how solve it? I bought 2 spare belts, should I...