Driven Rear Sprocket - 520 DRIVEN USA aluminum rear sprockets are machined from 7075 T-6 aluminum by a CNC & hobbing machine, balanced and tested for trueness. The final process is color hard anodizing for both beauty and surface protection against corrosion. All sprockets are machined to tolerances no greater then 0.2 mm which exceeds OEM standards.
DRIVEN USA Driven Power Up Kit for 600 and 750cc Sportbikes - includes 520 RK chain, chromoly steel front and T-6 aluminum rear sprockets. Lightens the drivetrain and gearing options help improve acceleration. Regularly $202.97