Sram pc 1170 11 speed chainthe sram pc 1170 11 speed chain will provide you with much improved shifting and quieter running due to its heavily chamfered outer plates it also features chrome hardened pins for extended chain life and joining can be easily done by hand due to srams powerlock joining link features narrower profile for 11 speed compatibility chain connector powerlock technology inner link finish polished outer link finish nickel pin variant hollow pin pin treatment chrome