Sram, PC 971, 9sp chain, 114 links, Pwerlink

9-Speed Chain - Strong and precise 114 link chain with chrome hardened pin treatment, designed and tested to work with Campy and Shimano drivetrains Plate Profile - Features an inner and outer plate design that offers faster and more accurate shifting in all conditions PowerLink - Exclusive chain connector that offers a tool-free way to install and remove chains for easy cleaning and maintenance PowerChain II - Increases front and load shifting performance without sacrificing rear shifting precision. Step2 Riveting - The Step2 riveting process increases the Push Pin Power for increased strength and durability