The chain is the heart of the Eagle 1x12 drivetrain, ensuring quiet operation, long life and precise shifting. It features the same link geometry as XX1 Eagle, with solid pins and a more modest finish treatment. Not for use with front derailleur drivetrains Links (links): 126 Drivetrain Speeds: 12 Chain Connection Type: Single Use Master Link Half Link Chain: No Weight: 260 Compatibility: All levels of Eagle drivetrain systems