Aluminum

The Reverb AXS B1/B2 dropper post completes the AXS ecosystem by giving the rider customizable controls, easy installation, a shared battery, charger, and controller. The AXS ecosystem is focused on simplifying cockpit controls to enhance the riding experience. Reverb AXS integrates seamlessly into the AXS ecosystem through wireless controls that unlock unparalleled customization options and precise actuation. With no hoses or routing required, installation is a breeze—just grab a multitool, and you’re ready to go, leaving you with more time to simply enjoy the ride.Includes battery and charger (USB-C charger cord Sold Separately) that's shared with all other AXS enabled components. Required AXS Controller is Sold Separately. Compatible with all saddle rail types. Built for GX, X0,.