The new X0 flattop chain from SRAM has a unique design that makes it the strongest change chain SRAM have ever made. It also looks really good!It has a Dark Polar finish which is specific to the X0 range and has been plated with electroless nickel and comes with a PVD coating for incredible resistance to wear and corrosion. Its also fully approved for e-MTB with solid pins.Strongest SRAM chain ever. Specifically engineered for Eagle TransmissionFlattop profile, unbelievable shifting performance, game-changing aestheticsElectroless Nickel plating for optimal corrosion and wear resistance with PVD coatingCompatibility - Speed (CN): 12s T-TypeChain length (links): 126 linksColour - Outer link: Dark PolarColour - Inner link: Dark PolarChain connector: PowerLock 12s T-Type BLK PVDInner link finish: Chrome Hardened + PVDOuter link finish: Nickel+PVDPin variant: Solid PinPin treatment: Chrome HardenedWeight Based On: Engineering Estimate of 114links.Weight(g): 256