Suzuki GSX-R750 2011> AFAM 520 Race Chain & Sprocket KitAFAM 520 Race Conversion Chain Kits are the lightweight race alternative to the stock 525 kits. These kits come with a hard anodised rear sprocket standard tooth and a lightweight steel front sprocket standard tooth. Putting a new chain on a machine with worn sprockets will rob you of power and quickly wear out the chain. AFAM Chain Kits eliminate this problem and are more economical than purchasing all the pieces separately. Recommended, is a higher