No weakest link. Sram's 11-speed chain features the powerlock connecting link the only secure tool less attachment device for a sram chain.Sram chain engineers developed powerlock as a tool free, sure and consistent way to connect our 11-speed chains. While powerlock does not require special tools for install, the especially tight tolerances of 11 speed drive trains mandated that each powerlock is good for a one-time application only. A pack of four sram powerlocks.Things to remember part of the sram 1x integrated drivetrain no tools necessary to install from a long line of tough, light-weight chain engineering from srama pack of four sram powerlocks.
No weakest link. Sram's 11-speed chain features the powerlock connecting link the only secure tool less attachment device for a sram chain.Sram chain engineers developed