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...
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...