Going 12 speed with your XT drive train. You're going to need the 12 speed XT M8100 Chain. This bad boy comes with a Quick Link for easy install. You'll be shredding trail in no time! The Shimano Deore XT CN-M8100 12-speed chain is optimized for use with the Deore XT M8100 MTB drivetrain system. HYPERGLIDE+ technology dedicated chain delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain. Extended inner plate improves chain engagement reducing shift times and pedaling shock.