At this point I would urge people never to use resin-only rotor with metal pads, not only they'll squeal a lots but will eventually get warped too, when it cooled down, it become a nightmare to true.
I found this out the hard way when a customer came back complaining about his rotor (that he brought and fitted) making lots of noise, showing wear and severely warped within 2 month of riding.
At this point I would urge people never to use resin-only rotor with metal pads, not only they'll squeal a lots but will eventually get warped too, when it cooled down, it become a nightmare to true.
I found this out the hard way when a customer came back complaining about his rotor (that he brought and fitted) making lots of noise, showing wear and severely warped within 2 month of riding.