SRAM's PC 1051 Chain features a corrosion resistant nickel plating on both the inner and outer links to deliver smooth and precise shifting. The PC 1051 is built for 10 speed drivetrains and is designed to work seamlessly with the tooth shaping and pickuprelease points on SRAM's cassettes and chainrings. Thanks to SRAM's PowerLock connecting link, the PC 1051 can be easily installed without needing special tools. Most importantly, the PowerLock link is as strong or stronger as any other link on the chain, and won't impede shifting performance. The SRAM PC 1051 Chain is compatible with both SRAM and Shimano 10 speed drivetrains.