RK MXZ4 Heavy Duty MX Race Chain - Non Sealed Heavy Duty
MXZ4 is one of the lightest motocross chains available on the market today. Made for the professional motocross racer, MXZ4 is the next generation of motocross racing chains featuring Chromoly steel construction and seamless rollers and bushings.
RK MXU Sealed MX Chain - UW Seals
Combines both longevity and performance. MXU is one of the lightest sealed-ring motocross chains available on the market today. MXU features Ultra-thin UW-Seals perfect for bikes with case clearance issues.