The GiroDisc slotted front ring for 2017 and newer Tesla Model 3 supplies a direct-fit slotted surface for the Model 3 front rotors. It reproduces the slot geometry intended to assist pad cleaning and gas evacuation during braking, matched to the Model 3 front rotor interface beginning with 2017 production and later applications.
GiroDisc 2017+ Tesla Model 3 Slotted Front Rings