microSHIFT Advent MX Rear Derailleur – 10/11-Speed Clutched Steel Medium Cage 50t Max BLK

Quick Overview The goal of Advent MX was to create a group that would stand up to the hardest 10% of riders and the microSHIFT engineers delivered. The MX rear derailleur features their most robust linkage ever with a beefy horizontal parallelogram and 33% stronger clutc