Suzuki GSX-R1000 2009-16 AFAM 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. 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 grade and is the most appropriate for the model taking all aspects of