General description Sram's PC XX1 Eagle Hollowpin chain is designed for 12-speed systems, offering uncompromising strength at an ultra-light weight. This chain ensures performance consistency and delivers a silky smooth, whisper-quiet operation. With the introduction of the all-new Eagle Colorsystem, riders can choose from a variety of colors, including the striking Copper option. Technical specifications Speed Compatibility: 12s-Eagle Chain Length: 126 links Outer Link Color: Copper Inner Link Color: Copper Chain Connector: PowerLock Inner Link Finish: Chrome plated + PVD Outer Link Finish: Nickel + PVD Pin Variant: Hollow Pin Pin Treatment: Chrome Hardened Other information Designed and manufactured in European facilities Features significantly improved wear resistance Considered the quietest, strongest, and most wear-resistant chain in the world