Rotors X 2 Shimano GRX RT-CL800 S DISC BRAKE ROTOR WITH LOCKRING - 160MM CENTERLOCK 1.5MM SILVER part name: Rotors X 2part make model: ShimanoGRX RT-CL800 S DISC BRAKE ROTOR WITH LOCKRING - 160MM CENTERLOCK 1.5MM SILVERbike part approved: