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....
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...