For me mostly responsiveness and or sound, then spin time. When a bearing suddenly goes loud while it’s still unresponsive, I still clean it up. There is a difference between “clean” loud and “dirty” loud.
For me mostly responsiveness and or sound, then spin time. When a bearing suddenly goes loud while it’s still unresponsive, I still clean it up. There is a difference between “clean” loud and “dirty” loud.