Microshift Advent Thumb Shifter Description: Imagination is the only limitation to how much the microSHIFT thumb shifters can do. Precision machined from aluminum, these shifters feature a transferable mechanism that allows you to shift accurately with either index or friction mode. Go on any adventure without worries for mechanical issues. Features: Thumb shifters for Microshift Advent drivetrains Precision machined from aluminum Convertible shifter can be used as indexed or friction shifter Specifications: Shifter Style: Thumb Speed: 9 Speed Derailleur Compatibility: Microshift Advent Shift Mechanism: Cable Actuated Color: Black Weight: -