Alpha Racing 520 Sprocket Conversion Kit for K67 S1000RR M1000RR

World Superbike (WSBK) parts for your BMW S1000RR by Alpha Racing of Germany. Alpha Racing is BMW Motorrad Motorsports's official partner and running the WSBK project with BMW Motorrad Motorsport. Reduce rotating mass from your drivetrain to optimize the power delivery to your rear wheel with the Alpha Racing 520 conversion kit. This kit features a lightweight aluminum rear sprocket that weighs only 10.4 oz (296 grams). The front sprocket is a lightened steel sprocket weighing in at only 7.05 oz (200 grams). Optional EK 3D chain, and titanium sprocket nuts available. This kit retains the stock gearing of 17/45, if you want to make gearing changes, please contact us to order a set with custom gearing of your choice. Front Sprocket : Case Hardened Steel - 17TRear Sprocket : Anodized Aluminum - 45T (Fits Forged and Carbon Wheels)Chain (Optional) : EK 3D 520Z - 120 linksSprocket Nuts (Optional) : Proti Fully Forged Titanium Sprocket Nuts Fits: BMW S1000RR - 2020 to 2022 (Forged or Carbo