4x Kawasaki ZX-11 1994-2001Black Titanium Rear Disc Rotor Bolts Screws Threadlock. 4x Kawasaki ZX-11 1994-2001 Black Titanium Rear Disc Rotor Bolts Screws with Threadlock. Made from Aircraft Spec Grade 5 Titanium our bolts are 40% lighter than the standard OEM Parts.