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 1210-2617 Vehicle Fitment & Compatibility
Fitment data lists this product for 2 model-year applications, including BMW S1000RR, with listed model years from 2020 through 2021.