SRAM XX Inner Double Chainring

Imagine being able to shift smoothly at any time, no matter what. SRAM's talking full-power shifts. Up, down, whatever the trail demands. The benefit of the X-Glide drivetrain is simple, yet, when you think about it, incredibly impactful to the way you ride. Flawless shifting means you'll never again compromise your speed and power in unpredictable off-road terrain.