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...
Supersprox-stealth means longer life, without compromising weight. They last 3 times longer than an all aluminum sprocket and remain as light as possible thanks to its aluminium core and steel teeth. It?s about...