microSHIFT R10 Rear Derailleur - 10-Speed, Medium Cage, Shimano Road Compatible, Black

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. 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 Product Specifics Largest Cog: 34 Rear Der/Shifter Compatibility: Shimano Road Rear Derailleur Mount Type: 10x1 Standard Drivetrain Speeds: 10 Chain Wrap Capacity (teeth): 39 Cage Length: Medium Color: Black Today's Stock StatusCurrently not available UPC: Not available EAN: 4710495436593 Manufacturer Part Number: RD-R51M-BK RD0149 182704-Q0-L