Microshift Rear Derailleur - ADVENT X RD-M6205AM - 1x10 Speed - Medium Cage - 11-48T Aluminium (Not Shimano) Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Microshift Rear Derailleur - ADVENT X RD-M6205AM - 1x10 Speed - Medium Cage - 11-48T Aluminium (Not Shimano) Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...