MXU is one of the lightest sealed-ring motocross chains available on the market today. Made for the professional motocross racer, MXU series is the next generation of motocross racing chains featuring RK’s ultra slim U-Rings or UW-Rings.
MXU chains are designed to provide the most consistent power delivery with increased chain life. All components are heat-treated using RK’s exclusive HIT (Heat Induction Transfer) Process.