A dropper post made for gravel riding, the  Reverb™ AXS® XPLR seat post delivers more control, more confidence, and more fun to the emerging breed of lycra-loving or baggy-wearing gravel, free spirits. The all-new design complete with new air internals and compliance features to enhance the gravel experience. Reverb AXS XPLR is enabled by Sram AXS™ technology, a new level of interaction, personalization, and connectivity across all AXS enabled components.   Features ActiveRide™ - Air only internals provide a fully rigid extended position with built-in compliance in the middle to ensure comfort and control over the roughest sections of gravel. Drop force is tunable based on rider weight. AXS™ Technology allowing for customization to an individual rider’s liking via the AXS™ Mobile App. AXS handlebar controls (drop or flat bar) and battery sold separately. Shared battery with all other Sram AXS enabled components. System is completely water and dust proof to IP69K. Saddle clamps compatible with 7x10, 7x9 Oval carbon and 7mm round rails. Travel options include 75mm and 50mm. Seatpost length includes 400mm and 350mm (50mm drop only).   Specification Travel: 50mm, 75mm. Diameter: 27.2mm. Length: 350mm, 400mm. Includes Battery and Charger. Remote Sold Separately.