microSHIFT Advent X Rear Derailleur - 10-Speed Medium Cage Black with

ADVENT X: Compatible with ADVENT X 10-speed drivetrains only
COMPATIBLE: Works with standard 10-speed chains
EASY FIX: Ratchet-and-pawl clutch is easily adjustable and repairable
EQUIPMENT: Metric adjustment hardware
SECURITY: Larger pulley and taller teeth for better chain security and higher ride height
0.38 kilograms