With Eagle Transmission being the first of its kind, fully integrated and interdependent system, the X0 Eagle Transmission (T-Type) Flattop Chain is so much more than just a chain. Its unique flat top design makes it the strongest chain SRAM has ever made. It features a Dark Polar finish specific to X0, has been plated with electroless nickel, and comes with a PVD coating for unbelievable resistance to corrosion and wear.Features-Specifically engineered for Eagle Transmission-Flattop profile, unbelievable shifting performance, game-changing aesthetics-Electroless Nickel plating for optimal corrosion and wear resistance with PVD coating-Includes PowerLock connector-Fully approved for E-MTB use with solid pins.Item Specifications-Links (links):126-Drivetrain Speeds:12-Chain Connection Type:Single Use Master Link-Color:Dark Polar-Half Link Chain:No-Designed for ebike:Yes-Defined Color:Black