The newest Sram PC1091R chain features more heavily chamfered outer plates for improved shifting and quieter running. Other advancements include a new inner plate finish plus chrome hardened pin construction, both for longer chain life. The HollowPin construction of SRAM's 10 speed PowerChain provides smooth, precise shifting and weight savings without sacrificing strength. PowerLock connecting link for easy, tool-free installation 10-speed compatible Wt.: 255g (114 links). Features Weight 255g For use with Double or Triple Chainsets Compatible Gears: 10spd Closing Link: PowerLock tool-less connecting link Outer Plate: Nickel Silver w/Lighting Hole Inner Plate: Nickel Silver Pin Treatment: Chrome Hardened Pins Rivet Type: Hollow Pin Recommended Group: SRAM & Shimano compatible Compatibility: SRAM, Shimano & Campag Exa-Drive Replacement Link: Black PowerLock