ACCOSSATO - race-developed for high performance ELITE Line Fixed Front Steel Brake Disc for Kawasaki Ninja 400 Z400 Interchangeable with the original front brake disc Includes single disc only Specifications Outer diameter 310mm Inner diameter 142mm Thickness 5mm Weight 1.3Kg Part no: DK237N Model compatibility Kawasaki Ninja 400 2018 - 2020 Kawasaki Z400 2019 - 2020