All RK Heavy Duty & Sealed-ring Motocross chains utilize special heat treated hi-carbon steel components with solid rollers and bushings, then pre-stressed and pre-stretched for maximum performance and wear life.
The RK Chain & Sprocket Kits are performance kits that feature maximum functionality. These kits join the two performance parts in one kit making it more consistent, reliable and economically-friendly. Properly aligned and easy to install, RK Chain & Sprocket Kits are indeed the best anyone can get for ultimate drivetrain enhancement.