Check the listing for details. microSHIFT R9 Rear Derailleur - 9-Speed, Long Cage, Road Compatible, Black. Condition: New. Listed at 32.50 USD. microSHIFT R9 rear derailleurs are designed to work with 9-speed -compatible road shifters. With a competitive weight and an aluminum bracket body and outer link, R9 marries form and function beautifully.Forged and CNC machined aluminum construction is lightweight and rugged. Cage is crafted with steel for enhanced chain-rub durability. For use with 9-speed road systems. Not compatible with Tiagra 4700 road system. Item Specifications: Largest Cog, 28, Rear Der/Shifter Compatibility, Road, Rear Derailleur Mount Type, 10x1 Standard, Drivetrain Speeds, 9, Chain Wrap Capacity (teeth), 39, Cage Length, Long, Color, Black, HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us