Shimano Ultegra GRX RT-CL800 Center Lock Brake Disc Rotor with Lockring140/160mm

Shimano Disc Brake Rotor RT-CL800 140 mm Center Lock Ice Technologies

Shimano RT-CL800-S ICE-TECH Center Lock Disc Brake Rotor 160mm w/LockRing NIB

Shimano Ultegra/GRX RT-CL800 Center Lock Disc Brake Rotor Lockring140/160mm -OE

Shimano Ultegra GRX RT-CL800 Center Lock Brake Rotor w/ Lockring 140/160mm-OE

Shimano Ultegra / XT RT-CL800 140mm Centerlock Disc Brake Rotor

Shimano RT-CL900 Center Lock Brake Rotor 140mm or 160mm with Lockring-OE

Shimano Ultegra RT-CL800 Centerlock Disc Brake Rotor 160mm