Sram eleven-speed XX1 is a dream come true for mountain bikers. First envisioned for Sram's cross-country pros, enduro racers quickly began clamoring for a factory-spec 1X system as well. The result is XX1, a 1X gruppo designed to perform with flawless shifting, provide better chain retention than a chain guide, and make sure you're always in the right gear.
There have been no reviews posted yet for this product. Be the first by clicking Submit a Review