Driven Front (Countershaft) sprockets are made out of case hardened chromoly steel and machined to exact dimensions, heat treated for greater surface strength and hard anodized for protection against corrosion. All Driven sprockets are machined to tolerances no greater than 0.2 mm which exceeds OEM standards. 520 Chain size. Regularly $34.95
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