Centos delivers race-level shifting performance with full aluminum construction. These derailleurs support all riders who would enjoy any kind of road riding. Light weight full aluminum construction. Compatible with Tiagra 4700 10-speed road. Also compatible with GRX R400 shifters. Item Specifications: Cage Length: Short, Chain Wrap Capacity (teeth): 35, Color: Black, Drivetrain Speeds: 10, Largest Cog: 32, Rear Der/Shifter Compatibility: Tiagra 4700, Rear Derailleur Mount Type: 10x1 Standard, keyword search: 4700, keyword search: GRX R400,