micro SHIFT ADVENT Xpress Plus Shifter 1x9Reliable shifting. No steep learning curve. The micro SHIFT ADVENT Xpress Plus Shifter brings proven flat bar ergonomics to the ADVENT 9-speed drivetrain system. A separate index and thumb trigger design keeps shifting intuitive and easy to control, while a sealed bearing mechanism delivers smooth, positive action and reliable indexing ride after ride. Features OE Packaged does not ship in Microshift-branded packaging Xpress shifter design - separate index and thumb trigger for intuitive, easy-to-learn flat bar shifting Sealed bearing mechanism for smoother, more positive shifting action Aluminum clamp for a secure, durable bar attachment Compatible with the full ADVENT drivetrain ecosystem SPECIFICATIONSShifter Style Xpress Shifter Speeds9-Speed Lever Bearing Yes - Sealed Clamp Material Aluminum | Microshift | Advent Xpress 9-Speed Shifter - Oe Packaged Sl-M819-R: 22. 2 Band Clamp