XO Eagle Transmission Flattop Chain Description: The SRAM XO Transmission Flattop chain's design delivers increased strength and durability while also creating a quiet and smoother shifting transmission. Plated with electroless nickel and coated with PVD for unbelievable resistance to corrosion and wear. Note: This chain is only compatible with SRAM Transmission (T-Type) mountain bike drivetrains. SRAM 12-speed road drivetrains require the use of a road flattop chain. Features: Strongest SRAM chain ever - specifically engineered for Eagle Transmission Flattop profile, smooth-shift bottom profile, ultimate shifting performance with game-changing aesthetics Electroless Nickel plating for optimal corrosion and wear resistance with PVD coating Fully approved for E-MTB use with solid pins Specifications: Speeds: 12 Speed Links: 126 Chain Width: - Chain Connector: Powerlock Pin Type: Solid Color: Black Weight: 256g