Manufacturing some of the most affordable and top quality motorcycle racing components, Vortex Racing USA has been focused on absolute quality at an affordable price point.

Reduce rotating mass from your drivetrain to optimize the power delivery to your rear wheel with the Vortex Racing 520 conversion kit.

This kit features a lightweight aluminum rear sprocket that weighs only 9.67 oz (274 grams). The front sprocket is a lightened steel sprocket weighing in at only 7.27 oz (206 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 - 17T
Rear Sprocket : Anodized Aluminum - 45T (Fits Forged and Carbon Wheels)
Chain (Optional) : EK 3D 520Z - 120 links
Sprocket Nuts (Optional) : Proti Fully Forged Titanium Sprocket Nuts

Fits:

BMW S1000RR - 2020 to 2022 (Forged and Carbon Wheels Only!)
BMW M1000RR - 2021 to 2022