Originally Posted by Bulbuzoe

Thanks everyone for the suggestions!

I'll look forward to change the bearings and put some relatively good grease or oil in the pivots, is there a product you recommand me for that? For now I just have WD40 in my dad's "workshop" which I used for the pivot and chain. I never go with a mechanic for my bike (and in general) because I try to do it myself or get help of my dad since he's a really good handyman, so it should be quite cheap to change bearings