The newest narrower SRAM PC 1170 chain features more heavily chamfered outer plates for improved shifting and quieter running. The chrome hardened pin construction provides longer chain life.Features:- HollowPin™ construction: strong, precise and light weight- PowerLock® (silver) connecting link- Narrower profile for 11-speed performanceSpecifications:- Technology Highlight(s): PowerChain™/ Powerlube™/ PowerLock®/ HollowPin™/ Chrome Hardened Pins- Compatible Gears: 11- Closing Link: PowerLock® 11 speed silver- Outer Plate: Nickel silver outer plates- Inner Plate: Grey inner plates- Weight: 256g (114 links)- Recommended Group: SRAM Force® 1, SRAM Force® 22, SRAM RED® 22- Compatibility: SRAM RED® 22, Force 1 & Force 22Technology:PowerLock®:SRAM chain engineers developed PowerLock as a tool free, sure and consistent way to connect our 10 speed chains. While PL does not require special tools for install, the especially tight tolerances of 10 Speed drive trains mandated that each PowerLock is good for a one-time application only.