microSHIFT R10 Rear Derailleur - 10 Speed Short Cage Shimano Compatible BLK MFPN=00.4021.167.000 Customers can now choose between

Customers can now choose between Clik or Presta when purchasing pumps

Tooth Count 50 Ring Position/Type Outer Drivetrain Speeds 10 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

Three-pawl design provides engagement every 12 degrees (30 steps total)

Feather-lite lock tape technology utilizes a unique installation process that is exclusive to Lizard Skin

CroMo rails with Nylon Composite shell

microSHIFT R10 Rear Derailleur - 10 Speed Short Cage Shimano Compatible BLK MFPN=00.4021.167.000 Customers can now choose betweenmicroSHIFT 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