Designed for durability. From steep, almost endless climbs to hair-raising, technically demanding descents - the X9 can handle anything that gets in your way. Smooth and precise shifting means you can cover a longer distance in less time. With the light, stiff and always reliable crankset you can maintain your swing even on rough terrain. Whether you're sprinting on the finishing straight or trying a full day tour, your best ride starts with the X9.