This Microshift Advent Xpress trigger shifter features ergonomic levers and precise, durable indexing for reliable performance in a variety of situations. Note: Not Shimano compatible. Features: Sealed bearings for extra light shifting, especially when paired with clutch derailleur Compatible only with a Microshift Advent rear derailleur Aluminum bracket Specifications: Shifter Style: Trigger Speed: 9 Speed Derailleur Compatibility: Microshift Advent Shift Mechanism: Cable Actuated Color: Black Weight: -