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.Key Features:Titanium Nitride (Gold) coatedIncludes non-reusable 12x Missing LinkDouble X DurabilityNon-directionalCompatible with all 12x drivetrainsWeight: 268g (126 links)