I found that was the case until I started using the powdered formula.
For the best answers, search on this site shorturl.im/awWCA Component Elements Properties Metric Boron, B 14.0 % Cobalt, Co 66.0 % Iron, Fe 4.0 % Nickel, Ni 1.0 % (made by Goodfellow -actual name of company) Boron, B 15.0 % Iron, Fe 77.5 % Silicon, Si 15.0 % also made by Goodfellow
just that, it's a flat spot, not rounded.
A flatspot is exactly what it sounds like. It is a flat spot on the wheel that is normally caused by powersliding. They cause your skateboard to run very rough depending on how big the spot is