CHAIN SRAM PC XX1 11S.

The XX1 chain represents the latest breakthrough in a long line of precise, light-weight chains from SRAMIt's designed to deliver the greatest strength and reliability to a drivetrain that doesn't have to make compromises for front shifts. New 1X11 XX1 specific chain. HARD CHROME Technology for maximum strength and wear resistance. Proprietary link finish provides improved life span. 11-speed power lock.