- The Non-Directional design allows maximum compatibility. The X-Bridge system on the outer plate is configured with precisely articulated angles for quicker and smoother gear shifting, and quieter riding. **Features:** * Titanium Nitride (Gold) coated or Nickel Plated (Silver) * Includes non-reusable 12x Missing Link * Double X Durability * Non-directional * Compatible with all 12x drivetrains * Weight: 268g (126 links)