We degree rotor minimal thickness and discard limits, simply resurfacing whilst inside of spec
https://touch-wiki.win/index.php/Brake_Service_Coupons_Greensboro_NC:_Where_to_Find_the_Best_52049
We degree rotor minimum thickness and discard limits, in basic terms resurfacing whilst inside of spec, to shield you from overheating, warping, and brake fade.