SRAM X0 brings the right gear to your most heated trail battles any terrain and every time. Building an X0 bike is a serious, zero compromise endeavor. Only X0 combines the highest-level technology options with a style that matches you perfectly. A flawless bike needs to do more than just work every ride; it needs to look the part. In addition to our current colors, we are introducing the new chrome and polished X0 SILVER, reminiscent of our classic X0 design. Heavy metal look. Crazy light weight. Build the Perfect Bike.