microSHIFT ADVENT X V2 Rear Derailleur - 10-Speed, Medium Cage, Clutch, ADVENT X and Sword Compatible, Black, Ver. 2

Backwards compatible with all ADVENT X systems Aluminum cage is designed to provide better chain wrap and retention Upgraded inner linkage offers easier shifting and less cable tension Enhanced pulley engagement for faster shifting Aluminum cage is durable with the benefit of weight savings