SRAM PC1 Chain ConnectorThis high-quality connector link is specifically designed for use with SRAM PC1 9 speed 1/2x1/8" compatible chains. Perfect for replacing the chain connector link that came originally with your chain or for keeping as a spare. Features: Speed: 9 speed Size: 1/2x1/8"Type: Two piece connector link Manufacturer's Part Number: 74.2794.226.069Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.