Shimano Ultegra SM-RT800 Center Lock Rotors 140 mm or 160 mm (1PC) | eBay
Shimano SM-RT800 Rotor For Disc Brake w/Lock Ring 160mm w/opkg – Rock N' Road
Shimano Ultegra RT-MT800 Disc Rotor Centerlock, 160mm - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike rentals, sales, and service
Brake Disc Rotor SHIMANO SM-RT800 Ultegra 140mm – A K CycleSports