microSHIFT R10 rear derailleurs feature forged and CNC machined construction that pairs durability with a quality finish. This lightweight and lightweight rear derailleur is robust and designed to get any 10-speed Shimano Road compatible bike back on the road. Medium cage has 39t capacity 30-34t Max cog Forged and CNC machined aluminum construction is lightweight and rugged Cage is crafted with steel for enhanced chain-rub durability For use with Shimano 10-speed road systems Not compatible with Shimano Tiagra 4700 road system Item Specifications Cage Length Medium Chain Wrap Capacity (teeth) 39 Color Black Drivetrain Speeds 10 Largest Cog 34 Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard microSHIFT R10 10-Speed Rear Derailleur Rear Derailleur EAN: 4710495436593
