Ive seen those before, great value for a decent bearing im sure but compared to the standard bearing they are half the price and I’m looking for something that will be better then the stock bearing. I clean and lube my bearings a lot so the seals need to last. I havnt had bad luck with the stock bearings but they don’t seem to keep the dirt out that good, awhile ago I tried a set of tko for the entire car and those seemed to be a little worse. I’m just wondering if certain bearings can keep the drivetrain a little bit more free of dirt.