SRAM'S 10-speed PowerChain features the PowerLock connecting link - secure tool-less attachment. Compatibility extends to industry-standard 10-speed systems. For 10-speed SHIMANO/SRAM and other drivetrains PowerLock tool-less connecting link Chrome Hardened Pins Solid Pin rivets ISO 4210 compliant. See Declaration of Conformity for details. Outer/Inner links finish: Nickel Chain connector" PowerLock Chain length: 114 links