Counter Shaft Sprocket - 530 Chain - 17-ToothCaracteristicas: Constructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946 Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance Most race applications feature drilled weight reduction holes (depends on application tooth size) Manufactured from case hardened chromoly steel for unparalleled strength and