Steel rear sprockets are made from carbon steel and electroplated with a satin black finish that resists corrosion; teeth are hardened so sprocket will hold up to many miles, without affecting strength
Steel rear sprockets are also cupped down from the tooth ring to body to reduce as much weight as possible
Vortex 1210-0553 Vehicle Fitment & Compatibility
Fitment data lists this product for 16 model-year applications, including Kawasaki Ninja ZX10R, Kawasaki Z1000, and Kawasaki Z900, with listed model years from 2003 through 2019.