RK 520/525/530XSO are designed for Middle displacement Motorcycle Models, lighten chain weight while securing adequate strength required, emphasizes light feeling of acceleration.RK XSO Series features RX-Ring that...
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."
"8800