TheSram GX Eagle 12 Speed Chain.The GX Eagle™ chain is designed with SRAM’s Eagle™ geometry, the GX Eagle™ chain features solid pin construction, Eagle™ PowerLock®and smooth, efficient shifting that you can count on every time out.Only Eagle™ is a complete system-engineered drivetrain designed, tested and proven to deliver the lightest, highest-performing, most durable system for all riders on any trail. Eagle™ technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents. Sram GX Eagle 12 Speed Chain Features Ground breaking new chain design and technology The Eagle™ chain has been completely re-engineered, and is produced with new manufacturing technology. All-new Eagle™ PowerLock® chain connector with FLOW LINK™ technology provides better chain-guiding and increased longevity Unique features and design also provide significantly improved wear resistance on Eagle™ cassettes and rings Sram GX Eagle 12 Speed Chain Specifications Speed (CN): 12s Chain length (links): 126 links Colour - Outer link: Silver Colour - Inner link: Black Chain connector: PowerLock Inner link finish: Black Oxide Outer link finish: Nickel Chain qty/packaging: 1 Chain Pin variant: Solid Pin Pin treatment: Chrome Hardened