MXU series is the next generation of enduro/motocross racing chains featuring RK?s only technology of Ultra Thin Seal, U-Rings or UW-Rings, make possible to design a Sealed Chain withthe weight of a Non-Sealed Chain....
Designed for motocross racer, lighter weight but stronger chain compare to Heavy Duty Chain.non-sealed chainExcellent quality and cost performance for motocross racers 50-150cc."
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